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Hepatitis A and hepatitis B can be prevented by vaccination. Effective treatments for hepatitis C are available but costly. [6] In 2013, about 1.5 million people died from viral hepatitis, most commonly due to hepatitis B and C. [6] East Asia, in particular Mongolia, is the region most affected. [6]
In 1995, two new members of the family Flaviviridae (GBV-A and GBV-B) were identified in tamarins that developed hepatitis following inoculation with the 11th GB passage. A number of GBV-A variants were later identified in wild New World monkeys that were captured. Subsequently in 1995, a human virus was identified [GBV-C or hepatitis G virus ...
Rarely, people with the hepatitis A virus can rapidly develop liver failure, termed fulminant hepatic failure, especially the elderly and those who had a pre-existing liver disease, especially hepatitis C. [17] [80] Mortality risk factors include greater age and chronic hepatitis C. [17] In these cases, more aggressive supportive therapy and ...
Hepatitis B: According to the World Health Organization, as of 2019 there are about 296 million people living with chronic hepatitis B, with 1.5 million new infections each year. In 2019, hepatitis B caused about 820,000 deaths, mostly from cirrhosis and hepatocellular carcinoma (primary liver cancer ). [ 23 ]
More than two billion people have been infected with hepatitis B virus at some point in their life, and approximately 350 million have become persistent carriers. [1] Up to 80% of liver cancers can be attributed to either hepatitis B or hepatitis C virus.
Chronic (rather than acute) infection with hepatitis B virus or hepatitis C virus is the main cause of liver cancer. [60] Globally, about 248 million individuals are chronically infected with hepatitis B (with 843,724 in the U.S.), [61] and 142 million are chronically infected with hepatitis C [62] (with 2.7 million in the U.S.). [63]
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A more recent outbreak of Hepatitis E in South Sudan killed 88 people. Medecins Sans Frontieres (MSF) said it had treated almost 4,000 patients since the outbreak was identified in South Sudan in July 2012. In this outbreak, Hepatitis E, which causes liver infections, and was thought to be spread by drinking water contaminated with feces. [6]