Disease Surveillance And Health Statistics

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Disease Surveillance and Health Statistics/ Fall 2015
Project 1/ Infectious Disease/Hepatitis B
Salwa Rashid

Hepatitis B is an infection caused by hepatitis B virus. It affects the liver and can lead to acute or chronic hepatitis B, carrier, or liver cancer. It is transmitted through body fluids such as blood and semen. Transmission is usually by sexual contact, sharing needles, injecting drugs, cutting injuries.
About 2 billion around the world have been infected with hepatitis B virus and 250 million have chronic infection. [1] 90% of infected adult will recover within one year of infection and 5% of adults will develop chronic infection. 30-50% of chronically infected persons will develop complications such as liver cirrhosis or liver cancer.
Children under 6 years of age have higher risk of developing chronic hepatitis B when the get infected. [2]

In order to serve the purpose of obtaining epidemiological data regarding the incidence, prevalence, mortality of hepatitis B infection, a research in PubMed using any and/or a combination of the following words: A PubMed search using the following words: (Hepatitis B, disease, infection, vaccine, surveillance, incidence, prevalence, United States, global) was utilized. 5 studies were selected to reflect upon the incidence, prevalence and vaccine effect on hepatitis B infection in the US and globally. Kentucky Department for Public Health and Louisville Metro Public Health Department were also
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