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Hepatitis B vaccine

Hepatitis B vaccine is a vaccine that prevents hepatitis B.[13] The first dose is recommended within 24 hours of birth with either two or three more doses given after that.[13] This includes those with poor immune function such as from HIV/AIDS and those born premature.[13] It is also recommended that health-care workers be vaccinated.[14] In healthy people, routine immunization results in more than 95% of people being protected.[13]

Hepatitis B vaccine
Hepatitis B vaccine
Vaccine description
TargetHepatitis B virus
Vaccine typeSubunit
Clinical data
Trade namesRecombivax HB, Engerix-B, Heplisav-B, others
AHFS/Drugs.comMonograph
MedlinePlusa607014
License data
Pregnancy
category
Routes of
administration
Intramuscular (IM)
Drug classAntiviral
ATC code
Legal status
Legal status
Identifiers
PubChem CID
  • 16131310
DrugBank
  • DB11627 Y
ChemSpider
  • none
UNII
  • IFJ010MNE4
  • XL4HLC6JH6
KEGG
  • D04432
 NY (what is this?)  (verify)

Blood testing to verify that the vaccine has worked is recommended in those at high risk.[13] Additional doses may be needed in people with poor immune function but are not necessary for most people.[13] In those who have been exposed to the hepatitis B virus (HBV) but not immunized, hepatitis B immune globulin should be given in addition to the vaccine.[13] The vaccine is given by injection into a muscle.[13]

Serious side effects from the hepatitis B vaccine are very uncommon.[13] Pain may occur at the site of injection.[13] It is safe for use during pregnancy or while breastfeeding.[13] It has not been linked to Guillain–Barré syndrome.[13] Hepatitis B vaccines are produced with recombinant DNA techniques and contain immunologic adjuvant.[13] They are available both by themselves and in combination with other vaccines.[13]

The first hepatitis B vaccine was approved in the United States in 1981.[15] A recombinant version came to market in 1986.[13] It is on the World Health Organization's List of Essential Medicines.[16][17] Both versions were developed by Maurice Hilleman and his team.[18][19][20]

Medical uses edit

In the United States vaccination is recommended for nearly all babies at birth.[21] Many countries routinely vaccinate infants against hepatitis B. In countries with high rates of hepatitis B infection, vaccination of newborns has not only reduced the risk of infection, but has also led to a marked reduction in liver cancer. This was reported in Taiwan where the implementation of a nationwide hepatitis B vaccination program in 1984 was associated with a decline in the incidence of childhood hepatocellular carcinoma.[22]

In the UK, the vaccine is offered to men who have sex with men (MSM), usually as part of a sexual health check-up. A similar situation is in operation in Ireland.[23]

In many areas, vaccination against hepatitis B is also required for all health-care and laboratory staff.[24] Both types of the vaccine, the plasma-derived vaccine (PDV) and recombinant vaccine (RV), seems to be able to elicit similar protective anti-HBs levels.[14]

The US Centers for Disease Control and Prevention (CDC) issued recommendations for vaccination against hepatitis B among patients with diabetes mellitus.[25] The World Health Organization (WHO) recommends a pentavalent vaccine, combining vaccines against diphtheria, tetanus, pertussis and Haemophilus influenzae type B with the vaccine against hepatitis B.[medical citation needed] There is not yet sufficient evidence on how effective this pentavalent vaccine is in relation to the individual vaccines.[26] A pentavalent vaccine combining vaccines against diphtheria, tetanus, pertussis, hepatitis B, and poliomyelitis is approved in the U.S. and is recommended by the Advisory Committee on Immunization Practices (ACIP).[27][28][29]

Hepatitis B vaccination, hepatitis B immunoglobulin, and the combination of hepatitis B vaccine plus hepatitis B immunoglobulin, all are considered as preventive for babies born to mothers infected with hepatitis B virus (HBV).[30] The combination is superior for protecting these infants.[30] The vaccine during pregnancy is not considered to be valuable in protecting babies of the infected mothers.[31] Hepatitis B immunoglobulin before birth has not been well studied.[32]

Effectiveness edit

Studies have found that that immune memory against HepB is sustained for at least 30 years after vaccination, and protects against clinical disease and chronic HepB infection, even in cases where anti-hepatitis B surface antigen (anti-Hbs) levels decline below detectable levels.[33] Testing to confirm successful immunization or sustained immunity is not necessary or recommended for most people, but is recommended for infants born to a mother who tests positive for HBsAg or whose HBsAg status is not known; for healthcare and public safety workers; for immunocompromised people such as haemodialysis patients, HIV patients, haematopoietic stem cell transplant [HSCT] recipients, or people receiving chemotherapy; and for sexual partners of HBsAg-positive people.[33]

An anti-Hbs antibody level above 100 mIU/ml is deemed adequate, and occurs in about 85–90% of individuals.[34] An antibody level between 10 and 100 mIU/ml is considered a poor response, and these people should receive a single booster vaccination at this time, but do not need further retesting.[34] People who fail to respond (anti-Hbs antibody level below 10 mIU/ml) should be tested to exclude current or past hepatitis B infection, and given a repeat course of three vaccinations, followed by further retesting 1–4 months after the second course. Those who still do not respond to a second course of vaccination may respond to intradermal injection[35] or to a high dose vaccine[36] or to a double dose of a combined hepatitis A and B vaccine.[37] Those who still fail to respond will require hepatitis B immunoglobulin (HBIG) if later exposed to the hepatitis B virus.[34]

Poor responses are mostly associated with being over the age of 40 years, obesity, celiac disease, and tobacco smoking,[35][38] and also in alcoholics, especially if with advanced liver disease.[39] People who are immunosuppressed or on dialysis may not respond as well and require larger or more frequent doses of vaccine.[34] At least one study suggests that hepatitis B vaccination is less effective in patients with HIV.[40]

Duration of protection edit

Hepatitis B vaccine is now believed to provide indefinite protection. Older literature assumed that immunity would wane with antibody titers and only effectively last five to seven years,[41][42] but immune-challenge studies show that even after 30 years, the immune system maintains the ability to produce an anamnestic response, i.e. to rapidly bump up antibody levels when the previously seen antigen is detected.[43][44] This shows that the immunological memory is not affected by the loss of antibody levels. As a result, subsequent antibody testing and administration of booster doses is not required in successfully vaccinated immunocompetent individuals.[45][46] UK guidelines suggest that people who respond to the vaccine and are at risk of occupational exposure, such as for healthcare workers, a single booster is recommended five years after initial immunization.[34]

Side effects edit

Serious side effects from the hepatitis B vaccine are very rare.[13] Pain may occur at the site of injection.[13] It is generally considered safe for use, during pregnancy or while breastfeeding.[13][47] It has not been linked to Guillain–Barré syndrome.[13]

Multiple sclerosis edit

Several studies have looked for an association between recombinant hepatitis B vaccine and multiple sclerosis (MS) in adults.[48] Most studies do not support a causal relationship between hepatitis B vaccination and demyelinating diseases such as MS.[48][49][50] A 2004 study reported a significant increase in risk within three years of vaccination. Some of these studies were criticized for methodological problems.[51] This controversy created public misgivings about hepatitis B vaccination, and hepatitis B vaccination in children remained low in several countries. A 2006 study concluded that evidence did not support an association between hepatitis B vaccination and sudden infant death syndrome, chronic fatigue syndrome, or multiple sclerosis.[52] A 2007 study found that the vaccination does not seem to increase the risk of a first episode of MS in childhood.[53] Hepatitis B vaccination has not been linked to onset of autoimmune diseases in adulthood.[54]

Usage edit

 
Share of one-year-olds vaccinated against hepatitis B, 2017[55]

The following is a list of countries by the percentage of infants receiving three doses of hepatitis B vaccine as published by the World Health Organization (WHO) in 2017.[56]

Hepatitis B (HepB3) immunization coverage
among one-year-olds worldwide
Country Coverage %
Afghanistan 65
Albania 99
Algeria 91
Andorra 98
Angola 52
Antigua and Barbuda 95
Argentina 86
Armenia 94
Australia 95
Austria 90
Azerbaijan 95
Bahamas 94
Bahrain 98
Bangladesh 97
Barbados 90
Belarus 98
Belgium 97
Belize 88
Benin 82
Bhutan 98
Bolivia (Plurinational State of) 83
Bosnia and Herzegovina 77
Botswana 95
Brazil 93
Brunei Darussalam 99
Bulgaria 92
Burkina Faso 91
Burundi 91
Côte d'Ivoire 84
Cabo Verde 86
Cambodia 93
Cameroon 86
Canada 69
Central African Republic 47
Chad 41
Chile 93
China 99
Colombia 92
Comoros 91
Congo 69
Cook Islands 99
Costa Rica 97
Croatia 94
Cuba 99
Cyprus 97
Czech Republic 94
Democratic People's Republic of Korea 97
Democratic Republic of the Congo 81
Djibouti 68
Dominica 91
Dominican Republic 81
Ecuador 84
Egypt 94
El Salvador 85
Equatorial Guinea 25
Eritrea 95
Estonia 92
Eswatini 90
Ethiopia 73
Fiji 99
France 90
Gabon 75
Gambia 92
Georgia 91
Germany 87
Ghana 99
Greece 96
Grenada 96
Guatemala 82
Guinea 45
Guinea-Bissau 87
Guyana 97
Haiti 58
Honduras 97
India 88
Indonesia 79
Iran (Islamic Republic of) 99
Iraq 63
Ireland 95
Israel 97
Italy 94
Jamaica 93
Jordan 99
Kazakhstan 99
Kenya 82
Kiribati 90
Kuwait 99
Kyrgyzstan 92
Lao People's Democratic Republic 85
Latvia 98
Lebanon 78
Lesotho 93
Liberia 86
Libya 94
Lithuania 94
Luxembourg 94
Macedonia 91
Madagascar 74
Malawi 88
Malaysia 98
Maldives 99
Mali 66
Malta 88
Marshall Islands 82
Mauritania 81
Mauritius 96
Mexico 93
Micronesia (Federated States of) 80
Monaco 99
Mongolia 99
Montenegro 73
Morocco 99
Mozambique 80
Myanmar 89
Namibia 88
Nauru 87
Nepal 90
Netherlands 92
New Zealand 94
Nicaragua 98
Niger 81
Nigeria 42
Niue 99
Oman 99
Pakistan 75
Palau 98
Panama 81
Papua New Guinea 56
Paraguay 91
Peru 83
Philippines 88
Poland 95
Portugal 98
Qatar 97
Republic of Korea 98
Republic of Moldova 89
Romania 92
Russian Federation 97
Rwanda 98
Saint Kitts and Nevis 98
Saint Lucia 80
Saint Vincent and the Grenadines 99
Samoa 73
San Marino 86
São Tomé and Príncipe 95
Saudi Arabia 98
Senegal 91
Serbia 93
Seychelles 98
Sierra Leone 90
Singapore 96
Slovakia 96
Solomon Islands 99
Somalia 42
South Africa 66
Spain 93
Sri Lanka 99
Sudan 95
Suriname 81
Swaziland 98
Sweden 76
Syrian Arab Republic 52
Tajikistan 96
Thailand 99
Timor-Leste 76
Togo 90
Tonga 81
Trinidad and Tobago 89
Tunisia 98
Turkey 96
Turkmenistan 99
Tuvalu 96
Uganda 85
Ukraine 52
United Arab Emirates 98
United Republic of Tanzania 97
United States of America 93
Uruguay 95
Uzbekistan 99
Vanuatu 85
Venezuela (Bolivarian Republic of) 84
Viet Nam 94
Yemen 68
Zambia 94
Zimbabwe 89

History edit

Preliminary work edit

In 1963, the American physician/geneticist Baruch Blumberg, working at the Fox Chase Cancer Center, discovered what he called the "Australia Antigen" (HBsAg) in the serum of an Australian Aboriginal person.[57] In 1968, this protein was found to be part of the virus that causes "serum hepatitis" (hepatitis B) by virologist Alfred Prince.[58]

In 1976, Blumberg won the Nobel Prize in Physiology or Medicine for his work on hepatitis B (sharing it with Daniel Carleton Gajdusek for his work on kuru).[59] Blumberg had identified Australia antigen, the important first step, and later discovered the way to make the first hepatitis B vaccine. Blumberg's vaccine was a unique approach to the production of a vaccine; that is, obtaining the immunizing antigen directly from the blood of human carriers of the virus. In October 1969, acting on behalf of the Institute for Cancer Research, they filed an application for a patent for the production of a vaccine. This patent [USP 3,636,191] was subsequently (January 1972) granted in the United States and other countries. In 2002, Blumberg published a book, Hepatitis B: The Hunt for a Killer Virus.[60] In the book, Blumberg wrote: “It took some time before the concept was accepted by virologists and vaccine manufacturers who were more accustomed to dealing with vaccines produced by attenuation of viruses, or the use of killed viruses produced in tissue culture, or related viruses that were non-pathogenic protective (i.e., smallpox). However, by 1971, we were able to interest Merck, which had considerable experience with vaccines."

Blood-derived vaccine edit

During the next few years, a series of human and primate observations by scientists including Maurice Hilleman (who was responsible for vaccines at Merck), S. Krugman, R. Purcell, P. Maupas, and others provided additional support for the vaccine. In 1980, the results of the first field trial were published by W. Szmuness and his colleagues in New York City."

The American microbiologist/vaccinologist Maurice Hilleman at Merck used three treatments (pepsin, urea and formaldehyde) of blood serum together with rigorous filtration to yield a product that could be used as a safe vaccine. Hilleman hypothesized that he could make an HBV vaccine by injecting patients with hepatitis B surface protein. In theory, this would be very safe, as these excess surface proteins lacked infectious viral DNA. The immune system, recognizing the surface proteins as foreign, would manufacture specially shaped antibodies, custom-made to bind to, and destroy, these proteins. Then, in the future, if the patient were infected with HBV, the immune system could promptly deploy protective antibodies, destroying the viruses before they could do any harm.[61]

Hilleman collected blood from gay men and intravenous drug users—groups known to be at risk for viral hepatitis. This was in the late 1970s, when HIV was yet unknown to medicine. In addition to the sought-after hepatitis B surface proteins, the blood samples likely contained HIV. Hilleman devised a multistep process to purify this blood so that only the hepatitis B surface proteins remained. Every known virus was killed by this process, and Hilleman was confident that the vaccine was safe.[61]

The first large-scale trials for the blood-derived vaccine were performed on gay men, in accordance with their high-risk status. Later, Hilleman's vaccine was falsely blamed for igniting the AIDS epidemic. (See Wolf Szmuness) But, although the purified blood vaccine seemed questionable, it was determined to have indeed been free of HIV. The purification process had destroyed all viruses—including HIV.[61] The vaccine was approved in 1981.[18]

Recombinant vaccine edit

The blood-derived hepatitis B vaccine was withdrawn from the marketplace in 1986, replaced by Maurice Hilleman's improved recombinant hepatitis B vaccine which was approved by the FDA on 23 July 1986.[18][20][62] It was the first human vaccine produced by recombinant DNA methods.[62] For this work, scientists at Merck & Co. collaborated with William J. Rutter and colleagues at the University of California at San Francisco, as well as Benjamin Hall and colleagues at the University of Washington.[63] In 1981, William J. Rutter, Pablo DT Valenzuela and Edward Penhoet (UC Berkeley) co-founded the Chiron Corporation in Emeryville, California, which collaborated with Merck.[63][64]

The recombinant vaccine is based on Hepatitis B surface antigen (HBsAg) gene inserted into yeast (Saccharomyces cerevisiae) cells which are free of any concerns associated with human blood products.[18][65] This allows the yeast to produce only the noninfectious surface protein, without any danger of introducing actual viral DNA into the final product.[61] The vaccine contains the adjuvant amorphous aluminum hydroxyphosphate sulfate.[65]

In 2017, a two-dose HBV vaccine for adults, Heplisav-B gained U.S. Food and Drug Administration (FDA) approval.[4] It uses recombinant HB surface antigen, similar to previous vaccines, but includes a novel CpG 1018 adjuvant, a 22-mer phosphorothioate-linked oligodeoxynucleotide. It was non-inferior with respect to immunogenicity.[66]

In November 2021, Hepatitis B Vaccine (Recombinant) (Prehevbrio) was approved by the FDA.[7][67][68][69]

Immunization schedule edit

The US CDC ACIP first recommended the vaccine for all newborns in 1991.[70] Prior to this, the vaccine was only recommended for high-risk groups. As of the 1991 recommendation for universal newborn Hepatitis B vaccination, no other vaccines were routinely recommended for all newborns in the United States, and remains one of the very few vaccines routinely recommended for administration at birth.

Manufacture edit

The vaccine contains one of the viral envelope proteins, Hepatitis B surface antigen (HBsAg). It is produced by yeast cells, into which the gene for HBsAg has been inserted.[65] Afterward an immune system antibody to HBsAg is established in the bloodstream. The antibody is known as anti-HBs. This antibody and immune system memory then provide immunity to hepatitis B virus (HBV) infection.[71]

Society and culture edit

Legal status edit

On 10 December 2020, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product Heplisav B, intended for the active immunization against hepatitis B virus infection (HBV).[72] The applicant for this medicinal product is Dynavax GmbH.[72] It was approved for medical use in the European Union in February 2021.[9]

On 24 February 2022, the CHMP adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product PreHevbri, intended for the active immunization against hepatitis B virus infection (HBV).[73] The applicant for this medicinal product is VBI Vaccines B.V.[73] PreHevbri was approved for medical use in the European Union in April 2022.[10][12]

Brand names edit

The common brands available are Recombivax HB (Merck),[5] Engerix-B (GSK),[6] Elovac B (Human Biologicals Institute, a division of Indian Immunologicals Limited), Genevac B (Serum Institute), Shanvac B, Heplisav-B,[4][9] and Prehevbrio,[7]

Twinrix (GSK) is a vaccine against hepatitis A and hepatitis B.[74][75]

Pediarix is a vaccine against diphtheria, tetanus, pertussis, hepatitis B, and poliomyelitis.[76]

Vaxelis is a vaccine against diphtheria, tetanus, pertussis, poliomyelitis, Haemophilus influenzae type B (Meningococcal Protein Conjugate), and hepatitis B.[77][78]

Fendrix (hepatitis B (rDNA) vaccine (adjuvanted, adsorbed)) was approved for medical use in the European Union in 2005.[79]

References edit

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Further reading edit

  • Ramsay M, ed. (2019). "Chapter 18: Hepatitis B". Immunisation Against Infectious Disease. Public Health England.
  • Hall E, Wodi AP, Hamborsky J, Morelli V, Schillie S, eds. (2021). "Chapter 10: Hepatitis B". Epidemiology and Prevention of Vaccine-Preventable Diseases (14th ed.). Washington D.C.: U.S. Centers for Disease Control and Prevention (CDC).

External links edit

hepatitis, vaccine, vaccine, that, prevents, hepatitis, first, dose, recommended, within, hours, birth, with, either, three, more, doses, given, after, that, this, includes, those, with, poor, immune, function, such, from, aids, those, born, premature, also, r. Hepatitis B vaccine is a vaccine that prevents hepatitis B 13 The first dose is recommended within 24 hours of birth with either two or three more doses given after that 13 This includes those with poor immune function such as from HIV AIDS and those born premature 13 It is also recommended that health care workers be vaccinated 14 In healthy people routine immunization results in more than 95 of people being protected 13 Hepatitis B vaccineHepatitis B vaccineVaccine descriptionTargetHepatitis B virusVaccine typeSubunitClinical dataTrade namesRecombivax HB Engerix B Heplisav B othersAHFS Drugs comMonographMedlinePlusa607014License dataUS DailyMed Hepatitis B vaccinePregnancycategoryAU B2 1 Routes ofadministrationIntramuscular IM Drug classAntiviralATC codeJ07BC01 WHO Legal statusLegal statusUK POM Prescription only 2 3 US only 4 5 6 7 8 EU Rx only 9 10 11 12 In general Prescription only IdentifiersPubChem CID16131310DrugBankDB11627 YChemSpidernoneUNIIIFJ010MNE4XL4HLC6JH6KEGGD04432 N Y what is this verify Blood testing to verify that the vaccine has worked is recommended in those at high risk 13 Additional doses may be needed in people with poor immune function but are not necessary for most people 13 In those who have been exposed to the hepatitis B virus HBV but not immunized hepatitis B immune globulin should be given in addition to the vaccine 13 The vaccine is given by injection into a muscle 13 Serious side effects from the hepatitis B vaccine are very uncommon 13 Pain may occur at the site of injection 13 It is safe for use during pregnancy or while breastfeeding 13 It has not been linked to Guillain Barre syndrome 13 Hepatitis B vaccines are produced with recombinant DNA techniques and contain immunologic adjuvant 13 They are available both by themselves and in combination with other vaccines 13 The first hepatitis B vaccine was approved in the United States in 1981 15 A recombinant version came to market in 1986 13 It is on the World Health Organization s List of Essential Medicines 16 17 Both versions were developed by Maurice Hilleman and his team 18 19 20 Contents 1 Medical uses 1 1 Effectiveness 1 2 Duration of protection 2 Side effects 2 1 Multiple sclerosis 3 Usage 4 History 4 1 Preliminary work 4 2 Blood derived vaccine 4 3 Recombinant vaccine 4 4 Immunization schedule 5 Manufacture 6 Society and culture 6 1 Legal status 6 2 Brand names 7 References 8 Further reading 9 External linksMedical uses editIn the United States vaccination is recommended for nearly all babies at birth 21 Many countries routinely vaccinate infants against hepatitis B In countries with high rates of hepatitis B infection vaccination of newborns has not only reduced the risk of infection but has also led to a marked reduction in liver cancer This was reported in Taiwan where the implementation of a nationwide hepatitis B vaccination program in 1984 was associated with a decline in the incidence of childhood hepatocellular carcinoma 22 In the UK the vaccine is offered to men who have sex with men MSM usually as part of a sexual health check up A similar situation is in operation in Ireland 23 In many areas vaccination against hepatitis B is also required for all health care and laboratory staff 24 Both types of the vaccine the plasma derived vaccine PDV and recombinant vaccine RV seems to be able to elicit similar protective anti HBs levels 14 The US Centers for Disease Control and Prevention CDC issued recommendations for vaccination against hepatitis B among patients with diabetes mellitus 25 The World Health Organization WHO recommends a pentavalent vaccine combining vaccines against diphtheria tetanus pertussis and Haemophilus influenzae type B with the vaccine against hepatitis B medical citation needed There is not yet sufficient evidence on how effective this pentavalent vaccine is in relation to the individual vaccines 26 A pentavalent vaccine combining vaccines against diphtheria tetanus pertussis hepatitis B and poliomyelitis is approved in the U S and is recommended by the Advisory Committee on Immunization Practices ACIP 27 28 29 Hepatitis B vaccination hepatitis B immunoglobulin and the combination of hepatitis B vaccine plus hepatitis B immunoglobulin all are considered as preventive for babies born to mothers infected with hepatitis B virus HBV 30 The combination is superior for protecting these infants 30 The vaccine during pregnancy is not considered to be valuable in protecting babies of the infected mothers 31 Hepatitis B immunoglobulin before birth has not been well studied 32 Effectiveness edit Studies have found that that immune memory against HepB is sustained for at least 30 years after vaccination and protects against clinical disease and chronic HepB infection even in cases where anti hepatitis B surface antigen anti Hbs levels decline below detectable levels 33 Testing to confirm successful immunization or sustained immunity is not necessary or recommended for most people but is recommended for infants born to a mother who tests positive for HBsAg or whose HBsAg status is not known for healthcare and public safety workers for immunocompromised people such as haemodialysis patients HIV patients haematopoietic stem cell transplant HSCT recipients or people receiving chemotherapy and for sexual partners of HBsAg positive people 33 An anti Hbs antibody level above 100 mIU ml is deemed adequate and occurs in about 85 90 of individuals 34 An antibody level between 10 and 100 mIU ml is considered a poor response and these people should receive a single booster vaccination at this time but do not need further retesting 34 People who fail to respond anti Hbs antibody level below 10 mIU ml should be tested to exclude current or past hepatitis B infection and given a repeat course of three vaccinations followed by further retesting 1 4 months after the second course Those who still do not respond to a second course of vaccination may respond to intradermal injection 35 or to a high dose vaccine 36 or to a double dose of a combined hepatitis A and B vaccine 37 Those who still fail to respond will require hepatitis B immunoglobulin HBIG if later exposed to the hepatitis B virus 34 Poor responses are mostly associated with being over the age of 40 years obesity celiac disease and tobacco smoking 35 38 and also in alcoholics especially if with advanced liver disease 39 People who are immunosuppressed or on dialysis may not respond as well and require larger or more frequent doses of vaccine 34 At least one study suggests that hepatitis B vaccination is less effective in patients with HIV 40 Duration of protection edit Hepatitis B vaccine is now believed to provide indefinite protection Older literature assumed that immunity would wane with antibody titers and only effectively last five to seven years 41 42 but immune challenge studies show that even after 30 years the immune system maintains the ability to produce an anamnestic response i e to rapidly bump up antibody levels when the previously seen antigen is detected 43 44 This shows that the immunological memory is not affected by the loss of antibody levels As a result subsequent antibody testing and administration of booster doses is not required in successfully vaccinated immunocompetent individuals 45 46 UK guidelines suggest that people who respond to the vaccine and are at risk of occupational exposure such as for healthcare workers a single booster is recommended five years after initial immunization 34 Side effects editSerious side effects from the hepatitis B vaccine are very rare 13 Pain may occur at the site of injection 13 It is generally considered safe for use during pregnancy or while breastfeeding 13 47 It has not been linked to Guillain Barre syndrome 13 Multiple sclerosis edit Several studies have looked for an association between recombinant hepatitis B vaccine and multiple sclerosis MS in adults 48 Most studies do not support a causal relationship between hepatitis B vaccination and demyelinating diseases such as MS 48 49 50 A 2004 study reported a significant increase in risk within three years of vaccination Some of these studies were criticized for methodological problems 51 This controversy created public misgivings about hepatitis B vaccination and hepatitis B vaccination in children remained low in several countries A 2006 study concluded that evidence did not support an association between hepatitis B vaccination and sudden infant death syndrome chronic fatigue syndrome or multiple sclerosis 52 A 2007 study found that the vaccination does not seem to increase the risk of a first episode of MS in childhood 53 Hepatitis B vaccination has not been linked to onset of autoimmune diseases in adulthood 54 Usage edit nbsp Share of one year olds vaccinated against hepatitis B 2017 55 The following is a list of countries by the percentage of infants receiving three doses of hepatitis B vaccine as published by the World Health Organization WHO in 2017 56 Hepatitis B HepB3 immunization coverageamong one year olds worldwideCountry Coverage Afghanistan 65Albania 99Algeria 91Andorra 98Angola 52Antigua and Barbuda 95Argentina 86Armenia 94Australia 95Austria 90Azerbaijan 95Bahamas 94Bahrain 98Bangladesh 97Barbados 90Belarus 98Belgium 97Belize 88Benin 82Bhutan 98Bolivia Plurinational State of 83Bosnia and Herzegovina 77Botswana 95Brazil 93Brunei Darussalam 99Bulgaria 92Burkina Faso 91Burundi 91Cote d Ivoire 84Cabo Verde 86Cambodia 93Cameroon 86Canada 69Central African Republic 47Chad 41Chile 93China 99Colombia 92Comoros 91Congo 69Cook Islands 99Costa Rica 97Croatia 94Cuba 99Cyprus 97Czech Republic 94Democratic People s Republic of Korea 97Democratic Republic of the Congo 81Djibouti 68Dominica 91Dominican Republic 81Ecuador 84Egypt 94El Salvador 85Equatorial Guinea 25Eritrea 95Estonia 92Eswatini 90Ethiopia 73Fiji 99France 90Gabon 75Gambia 92Georgia 91Germany 87Ghana 99Greece 96Grenada 96Guatemala 82Guinea 45Guinea Bissau 87Guyana 97Haiti 58Honduras 97India 88Indonesia 79Iran Islamic Republic of 99Iraq 63Ireland 95Israel 97Italy 94Jamaica 93Jordan 99Kazakhstan 99Kenya 82Kiribati 90Kuwait 99Kyrgyzstan 92Lao People s Democratic Republic 85Latvia 98Lebanon 78Lesotho 93Liberia 86Libya 94Lithuania 94Luxembourg 94Macedonia 91Madagascar 74Malawi 88Malaysia 98Maldives 99Mali 66Malta 88Marshall Islands 82Mauritania 81Mauritius 96Mexico 93Micronesia Federated States of 80Monaco 99Mongolia 99Montenegro 73Morocco 99Mozambique 80Myanmar 89Namibia 88Nauru 87Nepal 90Netherlands 92New Zealand 94Nicaragua 98Niger 81Nigeria 42Niue 99Oman 99Pakistan 75Palau 98Panama 81Papua New Guinea 56Paraguay 91Peru 83Philippines 88Poland 95Portugal 98Qatar 97Republic of Korea 98Republic of Moldova 89Romania 92Russian Federation 97Rwanda 98Saint Kitts and Nevis 98Saint Lucia 80Saint Vincent and the Grenadines 99Samoa 73San Marino 86Sao Tome and Principe 95Saudi Arabia 98Senegal 91Serbia 93Seychelles 98Sierra Leone 90Singapore 96Slovakia 96Solomon Islands 99Somalia 42South Africa 66Spain 93Sri Lanka 99Sudan 95Suriname 81Swaziland 98Sweden 76Syrian Arab Republic 52Tajikistan 96Thailand 99Timor Leste 76Togo 90Tonga 81Trinidad and Tobago 89Tunisia 98Turkey 96Turkmenistan 99Tuvalu 96Uganda 85Ukraine 52United Arab Emirates 98United Republic of Tanzania 97United States of America 93Uruguay 95Uzbekistan 99Vanuatu 85Venezuela Bolivarian Republic of 84Viet Nam 94Yemen 68Zambia 94Zimbabwe 89History editPreliminary work edit In 1963 the American physician geneticist Baruch Blumberg working at the Fox Chase Cancer Center discovered what he called the Australia Antigen HBsAg in the serum of an Australian Aboriginal person 57 In 1968 this protein was found to be part of the virus that causes serum hepatitis hepatitis B by virologist Alfred Prince 58 In 1976 Blumberg won the Nobel Prize in Physiology or Medicine for his work on hepatitis B sharing it with Daniel Carleton Gajdusek for his work on kuru 59 Blumberg had identified Australia antigen the important first step and later discovered the way to make the first hepatitis B vaccine Blumberg s vaccine was a unique approach to the production of a vaccine that is obtaining the immunizing antigen directly from the blood of human carriers of the virus In October 1969 acting on behalf of the Institute for Cancer Research they filed an application for a patent for the production of a vaccine This patent USP 3 636 191 was subsequently January 1972 granted in the United States and other countries In 2002 Blumberg published a book Hepatitis B The Hunt for a Killer Virus 60 In the book Blumberg wrote It took some time before the concept was accepted by virologists and vaccine manufacturers who were more accustomed to dealing with vaccines produced by attenuation of viruses or the use of killed viruses produced in tissue culture or related viruses that were non pathogenic protective i e smallpox However by 1971 we were able to interest Merck which had considerable experience with vaccines Blood derived vaccine edit During the next few years a series of human and primate observations by scientists including Maurice Hilleman who was responsible for vaccines at Merck S Krugman R Purcell P Maupas and others provided additional support for the vaccine In 1980 the results of the first field trial were published by W Szmuness and his colleagues in New York City The American microbiologist vaccinologist Maurice Hilleman at Merck used three treatments pepsin urea and formaldehyde of blood serum together with rigorous filtration to yield a product that could be used as a safe vaccine Hilleman hypothesized that he could make an HBV vaccine by injecting patients with hepatitis B surface protein In theory this would be very safe as these excess surface proteins lacked infectious viral DNA The immune system recognizing the surface proteins as foreign would manufacture specially shaped antibodies custom made to bind to and destroy these proteins Then in the future if the patient were infected with HBV the immune system could promptly deploy protective antibodies destroying the viruses before they could do any harm 61 Hilleman collected blood from gay men and intravenous drug users groups known to be at risk for viral hepatitis This was in the late 1970s when HIV was yet unknown to medicine In addition to the sought after hepatitis B surface proteins the blood samples likely contained HIV Hilleman devised a multistep process to purify this blood so that only the hepatitis B surface proteins remained Every known virus was killed by this process and Hilleman was confident that the vaccine was safe 61 The first large scale trials for the blood derived vaccine were performed on gay men in accordance with their high risk status Later Hilleman s vaccine was falsely blamed for igniting the AIDS epidemic See Wolf Szmuness But although the purified blood vaccine seemed questionable it was determined to have indeed been free of HIV The purification process had destroyed all viruses including HIV 61 The vaccine was approved in 1981 18 Recombinant vaccine edit The blood derived hepatitis B vaccine was withdrawn from the marketplace in 1986 replaced by Maurice Hilleman s improved recombinant hepatitis B vaccine which was approved by the FDA on 23 July 1986 18 20 62 It was the first human vaccine produced by recombinant DNA methods 62 For this work scientists at Merck amp Co collaborated with William J Rutter and colleagues at the University of California at San Francisco as well as Benjamin Hall and colleagues at the University of Washington 63 In 1981 William J Rutter Pablo DT Valenzuela and Edward Penhoet UC Berkeley co founded the Chiron Corporation in Emeryville California which collaborated with Merck 63 64 The recombinant vaccine is based on Hepatitis B surface antigen HBsAg gene inserted into yeast Saccharomyces cerevisiae cells which are free of any concerns associated with human blood products 18 65 This allows the yeast to produce only the noninfectious surface protein without any danger of introducing actual viral DNA into the final product 61 The vaccine contains the adjuvant amorphous aluminum hydroxyphosphate sulfate 65 In 2017 a two dose HBV vaccine for adults Heplisav B gained U S Food and Drug Administration FDA approval 4 It uses recombinant HB surface antigen similar to previous vaccines but includes a novel CpG 1018 adjuvant a 22 mer phosphorothioate linked oligodeoxynucleotide It was non inferior with respect to immunogenicity 66 In November 2021 Hepatitis B Vaccine Recombinant Prehevbrio was approved by the FDA 7 67 68 69 Immunization schedule edit The US CDC ACIP first recommended the vaccine for all newborns in 1991 70 Prior to this the vaccine was only recommended for high risk groups As of the 1991 recommendation for universal newborn Hepatitis B vaccination no other vaccines were routinely recommended for all newborns in the United States and remains one of the very few vaccines routinely recommended for administration at birth Manufacture editThe vaccine contains one of the viral envelope proteins Hepatitis B surface antigen HBsAg It is produced by yeast cells into which the gene for HBsAg has been inserted 65 Afterward an immune system antibody to HBsAg is established in the bloodstream The antibody is known as anti HBs This antibody and immune system memory then provide immunity to hepatitis B virus HBV infection 71 Society and culture editLegal status edit On 10 December 2020 the Committee for Medicinal Products for Human Use CHMP of the European Medicines Agency EMA adopted a positive opinion recommending the granting of a marketing authorization for the medicinal product Heplisav B intended for the active immunization against hepatitis B virus infection HBV 72 The applicant for this medicinal product is Dynavax GmbH 72 It was approved for medical use in the European Union in February 2021 9 On 24 February 2022 the CHMP adopted a positive opinion recommending the granting of a marketing authorization for the medicinal product PreHevbri intended for the active immunization against hepatitis B virus infection HBV 73 The applicant for this medicinal product is VBI Vaccines B V 73 PreHevbri was approved for medical use in the European Union in April 2022 10 12 Brand names edit The common brands available are Recombivax HB Merck 5 Engerix B GSK 6 Elovac B Human Biologicals Institute a division of Indian Immunologicals Limited Genevac B Serum Institute Shanvac B Heplisav B 4 9 and Prehevbrio 7 Twinrix GSK is a vaccine against hepatitis A and hepatitis B 74 75 Pediarix is a vaccine against diphtheria tetanus pertussis hepatitis B and poliomyelitis 76 Vaxelis is a vaccine against diphtheria tetanus pertussis poliomyelitis Haemophilus influenzae type B Meningococcal Protein Conjugate and hepatitis B 77 78 Fendrix hepatitis B rDNA vaccine adjuvanted adsorbed was approved for medical use in the European Union in 2005 79 References edit Hepatitis b adult vaccine Pregnancy and Breastfeeding Warnings Drugs com 27 April 2020 Archived from the original on 27 October 2020 Retrieved 19 December 2021 Engerix B SmPC Datapharm 24 April 2017 Archived from the original on 22 September 2019 Retrieved 22 September 2019 HBVaxPro SmPC Datapharm 12 March 2019 Archived from the original on 22 September 2019 Retrieved 22 September 2019 a b c Heplisav B U S Food and Drug Administration FDA Archived from the original on 22 September 2019 Retrieved 22 September 2019 a b Recombivax HB U S Food and Drug Administration FDA 24 April 2019 Archived from the original on 11 February 2020 Retrieved 6 May 2020 a b Engerix B U S Food and Drug Administration FDA 3 October 2019 Archived from the original on 11 February 2020 Retrieved 6 May 2020 a b c PreHevbrio U S Food and Drug Administration 13 December 2021 Archived from the original on 19 December 2021 Retrieved 19 December 2021 Hepatitis B Vaccine Monograph for Professionals Drugs com 1 September 2019 Archived 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Moticka E 25 November 2015 A Historical Perspective on Evidence Based Immunology Newnes p 336 ISBN 9780123983756 World Health Organization 2019 World Health Organization model list of essential medicines 21st list 2019 Geneva World Health Organization hdl 10665 325771 WHO MVP EMP IAU 2019 06 License CC BY NC SA 3 0 IGO World Health Organization 2021 World Health Organization model list of essential medicines 22nd list 2021 Geneva World Health Organization hdl 10665 345533 WHO MHP HPS EML 2021 02 a b c d Tulchinsky TH 2018 Maurice Hilleman Creator of Vaccines That Changed the World Case Studies in Public Health 443 470 doi 10 1016 B978 0 12 804571 8 00003 2 ISBN 9780128045718 PMC 7150172 Oransky I 14 May 2005 Maurice R Hilleman Lancet 365 9472 1682 doi 10 1016 S0140 6736 05 66536 1 PMID 15912596 S2CID 46630955 a b Offit PA 2007 Chapter 8 Blood Vaccinated One Man s Quest to Defeat the World s Deadliest Diseases PDF HarperCollins pp 115 126 136 140 Archived PDF from the original on 5 October 2021 Retrieved 9 January 2021 Committee on Infectious Diseases Committee On Fetus And Newborn September 2017 Elimination of Perinatal Hepatitis B Providing the First Vaccine Dose Within 24 Hours of Birth Pediatrics 140 3 e20171870 doi 10 1542 peds 2017 1870 PMID 28847980 Chang MH Chen CJ Lai MS Hsu HM Wu TC Kong MS Liang DC Shau WY Chen DS June 1997 Universal hepatitis B vaccination in Taiwan and the incidence of hepatocellular carcinoma in children Taiwan Childhood Hepatoma Study Group The New England Journal of Medicine 336 26 1855 9 doi 10 1056 NEJM199706263362602 PMID 9197213 Hepatitis B vaccine Nhs uk Archived from the original on 28 June 2017 Retrieved 27 April 2017 Joint Committee on Vaccination and Immunisation 2006 Chapter 12 Immunisation of healthcare and laboratory staff Hepatitis B Immunisation Against Infectious Disease 2006 The Green Book 3rd ed Edinburgh Stationery Office p 468 ISBN 978 0 11 322528 6 Archived from the original PDF on 7 January 2013 Retrieved 25 March 2008 U S Centers for Disease Control and Prevention CDC December 2011 Use of hepatitis B vaccination for adults with diabetes mellitus recommendations of the Advisory Committee on Immunization Practices ACIP PDF MMWR Morb Mortal Wkly Rep 60 50 1709 11 PMID 22189894 Archived PDF from the original on 17 October 2020 Retrieved 7 May 2020 Bar On ES Goldberg E Hellmann S Leibovici L April 2012 Combined DTP HBV HIB vaccine versus separately administered DTP HBV and HIB vaccines for primary prevention of diphtheria tetanus pertussis hepatitis B and Haemophilus influenzae B HIB The Cochrane Database of Systematic Reviews 4 4 CD005530 doi 10 1002 14651858 CD005530 pub3 PMID 22513932 U S Centers for Disease Control and Prevention CDC March 2003 FDA licensure of diphtheria and tetanus toxoids and acellular pertussis adsorbed hepatitis B recombinant and poliovirus vaccine combined PEDIARIX for use in infants MMWR Morb Mortal Wkly Rep 52 10 203 4 PMID 12653460 U S Centers for Disease Control 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on 11 December 2020 Retrieved 11 December 2020 Text was copied from this source which is c European Medicines Agency Reproduction is authorized provided the source is acknowledged a b PreHevbri Pending EC decision European Medicines Agency EMA 25 February 2022 Archived from the original on 27 February 2022 Retrieved 27 February 2022 Text was copied from this source which is copyright European Medicines Agency Reproduction is authorized provided the source is acknowledged Hepatitis A amp hepatitis B recombinant vaccine Drug Summary www pdr net Prescriber s Digital Reference Archived from the original on 4 June 2019 Retrieved 4 June 2019 Twinrix U S Food and Drug Administration FDA Archived from the original on 22 September 2019 Retrieved 22 September 2019 Pediarix U S Food and Drug Administration FDA Archived from the original on 22 September 2019 Retrieved 22 September 2019 Vaxelis EPAR European Medicines Agency EMA 19 February 2019 Archived from the original on 17 October 2019 Retrieved 16 October 2019 Vaxelis U S Food and Drug Administration FDA STN 125563 Archived from the original on 17 October 2019 Retrieved 16 October 2019 Fendrix EPAR European Medicines Agency EMA 2 February 2005 Retrieved 27 December 2023 Further reading editRamsay M ed 2019 Chapter 18 Hepatitis B Immunisation Against Infectious Disease Public Health England Hall E Wodi AP Hamborsky J Morelli V Schillie S eds 2021 Chapter 10 Hepatitis B Epidemiology and Prevention of Vaccine Preventable Diseases 14th ed Washington D C U S Centers for Disease Control and Prevention CDC External links edit nbsp Wikimedia Commons has media related to Hepatitis B vaccine Hepatitis B Vaccine Information Statement U S Centers for Disease Control and Prevention CDC October 2021 Hepatitis B Vaccines at the U S National Library of Medicine Medical Subject Headings MeSH Portals nbsp Medicine nbsp Viruses Retrieved from https en wikipedia org w index php title Hepatitis B vaccine amp oldid 1204647748, wikipedia, 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