منابع مشابه
STUDIES ON HEPATITIS B VACCINES
HBs vaccines were prepared by three different methods: 1) Heat inactivation (Krugman, et.al 1971)2) Ammonium sulphate precipitation followed by column chromatography (Sephadex G-200) 3) PEG-6000 (polyethylene glycol) precipitation followed by column chromatography using Sephadex G-200. Their efficacy was studied in guinea pigs, and the results compared with commercial Japanese vaccine (Gr...
متن کاملHepatitis B vaccines
In accordance with its mandate to provide guidance to Member States on health policy matters, WHO is issuing a series of regularly updated position papers on vaccines and vaccine combinations against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; limited vaccination, as executed most...
متن کاملstudies on hepatitis b vaccines
hbs vaccines were prepared by three different methods: 1) heat inactivation (krugman, et.al 1971)2) ammonium sulphate precipitation followed by column chromatography (sephadex g-200) 3) peg-6000 (polyethylene glycol) precipitation followed by column chromatography using sephadex g-200. their efficacy was studied in guinea pigs, and the results compared with commercial japanese vaccine (green cr...
متن کاملHepatitis C: new clues to better vaccines?
HCV is a major public health problem in the USA and worldwide with the majority of acute infections progressing to chronicity in the absence of therapy. HCV infection is recognised as one of the major causes of liver disease, and is associated with the majority of liver transplantations in most countries. There have been tremendous advances in antiviral drug treatment for HCV over recent years,...
متن کاملCurrent progress in the development of therapeutic vaccines for chronic hepatitis B virus infection
Chronic hepatitis B is still a major public health issue despite the successful prophylactic vaccination attempts. Chronicity of hepatitis B virus(HBV) is mainly due to its ability to debilitate host's immune system. Therefore, major measures have been taken to stop this process and help patients with chronic hepatitis B infection recover from their illness. While satisfactory results have been...
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ژورنال
عنوان ژورنال: BMJ
سال: 1985
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.290.6470.787-a