Biotech vaccine okayed.Biotech vaccine okayed The Food and Drug Administration this week approved a hepatitis vaccine made by yeast saddled with hepatitis B Hepatitis B Definition Hepatitis B is a potentially serious form of liver inflammation due to infection by the hepatitis B virus (HBV). It occurs in both rapidly developing (acute) and long-lasting (chronic) forms, and is one of the most common chronic virus genes (SN:7/27/85,p.55). The approval is the first for a genetically enginerred human vaccine and for a human pharmaceutical produced by yeast. While there is already a hepatitis B vaccine hepatitis B vaccine n. Abbr. HB A vaccine prepared from the inactivated surface antigen of the hepatitis B virus and used to immunize against hepatitis B. on the market, it is derived from blood. According to according to prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. the July 24 NEW ENGLAND JOURNAL OF MEDICINE The New England Journal of Medicine (New Engl J Med or NEJM) is an English-language peer-reviewed medical journal published by the Massachusetts Medical Society. It is one of the most popular and widely-read peer-reviewed general medical journals in the world. , the efficacy of the blood-derived vaccine can drop substantially over time: 15 percent of 635 men lost all protection within five years of vaccination. |
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