Introduction to Health and Disease
April 17, 2010
Hepatitis is a symptomatic infection that affects the liver. The most common types of Hepatitis virus are A, B, C, D and E. The history of hepatitis dates back to ancient times and the success of modern medicine have improved the prevention and treatment of most types of Hepatitis. The high risk groups include injectible drug users, hemodialysis patients, and those who have sexual contact with infected people. Hepatitis B and C are the leading cause of chronic liver disease and liver cancer in the United States. History
History of Hepatitis is believed to go back as far as the ancient times. With today’s modern medicine scientists have discovered a major breakthrough in 1963 that identified a serum hepatitis known as Hepatitis B Virus (HBV). Ten years later, they found the cause of hepatitis infection and called it Hepatitis A Virus (HAV). In 1989, Hepatitis C Virus (HCV) was discovered. Hepatitis Delta Virus (HDV) was known in the 1970’s, but was better understood by scientists in the 1980-1990’s. Later the Hepatitis E Virus (HEV) was discovered in 1990. Etiology
Hepatitis A (HAV) the least serious form and may develop as an isolated case of an epidemic. It is estimated that one out of every 3 people has been affected by HAV. Transmission of HAV is associated with close personal contact or contaminated food or water (Wilson, p. 13). Hepatitis B (HBV) is transmitted primarily by contact with infected blood, semen, and other bodily fluids. Injectable drug users, people with multiple sexual partners and homosexuals are at higher risk for contracting the B virus. Hepatitis B can severely damage a person’s liver, resulting in cancer (Nordqvist, 2009).
Hepatitis C (HCV) is the most serious blood borne infection in the United States. The disease is often passed between drug users who share needles. People who are on dialysis and sexual contact are also at...