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Created with Fabric.js 1.4.5 Hepatitis B Vaccine by: Thomas Sandoval SHOP WITH PURPOSE. donate Thomas Sandoval . Pathophysiology . Period 3 . Mr. Ysaguirre . Over 12 million people have beeninfected (1 out of 20 people). 100,000 new people are infected with hepatitis B each year, and 5,000Americans die from HBV each year. Hepatitis B is a serious liver infection caused by the hepatitisB virus (HBV). The disease could become chronic, lasting longer than 6 months. It is mostly acute, where the immunesystem would clear it from your system. Having chronic hepatitisB increases your risk of developing liver failure, liver cancer or cirrhosis. Most recover fully but there is no cure besides the vaccine to prevent it. The virus is passed from person toperson through blood, semen or other body fluids. Common ways ofspreading the virus are through sexual contact,sharing needles, accidental needle sticks, and transmission from an infected mother to their baby during childbirth. Pablo D.T. Valenzuela invented thevaccine. A recombinant subunitvaccine has been made for thehepatitis B virus. Scientistsinserted hepatitis B genes thatcode for important antigens intocommon bakers yeast. The yeastthen produced the antigens, whichthe scientists collected andpurified for use in the vaccine.Research is continuing on a recombinant subunit vaccine against hepatitis C virus. Signs and symptoms occur 1-4months after exposure and caninclude abdominal pain, darkurine, fever, joint pain, nauseaand vomiting, fatigue, andjaundice. To diagnose, Bloodtests are ordered and candetermine if its acute/chronic.Your doctor might also want todo a liver biopsy to determine ifliver damage is present.
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