Hepatitis Epidemiology

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PREVENTION AND CONTROL OF HEPATITIS B IN THE UNITED STATES Antony Van Leeuwenhoek’s development of the microscope in the 1600’s allowed scientists to visualize microorganisms that cause infectious diseases for the first time. (Paul g. Engelkirk –Janet Engelkirk 2011, Burton’s microbiology for health sciences. Ninth Edition p.7). Since then different bacteria and viruses have been discovered by use of a microscope such as Hepatitis viruses. There are five main recognized Hepatitis viruses that is , Hepatitis A (HAC), Hepatitis B(HBV) , Hepatitis c, Hepatitis D, Hepatitis E, Hepatitis…show more content…
This is an enveloped circular ds DNA virus, genus orthohepadnavirus, and family hepadnaviridae. It is a specific virus that causes Hepatitis. The HBV virus multiplies with in the host cells and during their escape, host cells are destroyed causing acute to severe damage of the liver.
Mode of transmission:
(Center for disease control and prevention, 2013 Division of viral hepatitis) records indicated one of the most common way of HBV virus transmission from one person to another is through mucosal contact with infectious person’s blood or body fluids through sexual intercourse uninfected person.

PREVENTION AND CONTROL OF HEPATITIS B IN THE UNITED STATES. Infected mothers with (HBsAG) Hepatitis B surface antigen, an indicator of high levels of virus is blood have transmitted infection to their new born babies. Also Injected drug use, needle sticks, tattooing have passed on disease to uninfected people (P.& J. Engelkirk p.316). Other types of health care associated transmission also known as nosocomial outbreaks involving patient-to-patient transmission have occurred in association with a variety of transmission vehicles including multi dose vials, re-usable finger stick devices and other contaminated medical equipment. (CDC,
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