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Infectous Dise

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HCA/240 Week 2

INFECTIOUS DISEASES

HEPATITIS B

TAMMY BALACI

11/11/2012

Hepatitis B is a virus that infects the liver and usually causes progressive damage by bringing the immune cells into the liver and invoking and inflammatory response. The GEN word “Hepatitis” indicates the presence of this inflammatory response. Once the inflammation (Presence of puss cells) begins, fibrosis (scar tissue) may form and eventually a patient may develop cirrhosis liver failure and liver cancer. The different types of viral hepatitis our A(Formerly called infectious hepatitis ) , B(serum hepatitis) C(formerly called non –A, Non –Hepatitis) D(delta of hepatitis) , E(a virus transmitted through the feces of an infected person) , F, G, cryptogenic( caused by a virus has yet to be unidentified). More hepatitis viruses are being discovered, but many are less common. Other viruses, such as yellow fever, Epstein Barr (EBV) and Cytomegalovirus (CMV) as well as parasites and bacteria, can cause hepatitis as a secondary effect. Hepatitis B (HB) is transmitted by the exchange of body fluids e.g. Blood, semen, breast milk and in some circumstances saliva. People most at risk include: anybody who has unprotected sexual intercourse; IV drug users who shared needles and syringes; healthcare workers and contact with potentially contaminated blood or body fluids; Babies born to mothers with the virus, Anyone in intimate contact with the infected person. All are it is possible to be infected with the hepatitis B virus and experienced no illness or symptoms whatsoever. Commonest is an acute attack of Hepatitis during which, you may feel on well, tired and lose appetite. Sometimes there is the characteristic of yellowish color of jaundice best seen in the whites of the eye. This can last for a few days to a few months. Itching skin and pale stools may also occur. 90% of people infected with Hepatitis B recover completely and become immune to the virus. Blood tests will show...