Published online 31 August 2004
British Medical Bulletin, Vol. 70 © The British Council 2004; all rights reserved
Hepatitis vaccines
Department of Medicine A, Faculty of Medicine, St Marys Campus, Imperial College, London, UK
Correspondence to: P. Karayiannis, Department of Medicine A, Faculty of Medicine, Division of Medicine, St Marys Campus, Imperial College, London W2 1NY, UK. E-mail: p.karayiannis@imperial.ac.uk
| The first 150 words of the full text of this article appear below. |
| Introduction |
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The field of hepatitis virus vaccination continues to undergo constant change. Safe and effective vaccines are now available for the prevention of hepatitis A virus (HAV) and hepatitis B virus (HBV) infections. However, controversies regarding their use in health programmes continue, and the emergence of HBV vaccine escape mutants continues to provide challenges for vaccine manufacturers. The development of a hepatitis C virus (HCV) vaccine remains a formidable challenge, but there is a more optimistic outlook for the development of a hepatitis E virus (HEV) vaccine.
| Hepatitis A vaccines |
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HAV is an enterally transmitted member of the Picornaviridae, and the only member of the hepatovirus genus. The RNA genome of the virus is single stranded, positive sense and about 7.5 kb long. It contains a single open reading frame (ORF) that encodes the viral polyprotein, which is post-translationally cleaved by a viral protease to yield the components of the capsid, and a range
| Hepatitis B vaccines |
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| Hepatitis C vaccines |
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Protein vaccinesDNA vaccinesOther approachesSummary
| Hepatitis D vaccines |
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| Hepatitis E vaccines |
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| Conclusions |
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