Search results
Results from the WOW.Com Content Network
Hepatitis A is an infectious disease of the liver caused by Hepatovirus A (HAV); [7] it is a type of viral hepatitis. [8] Many cases have few or no symptoms, especially in the young. [ 1 ] The time between infection and symptoms, in those who develop them, is two–six weeks. [ 2 ]
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 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]
[2] [3] It is effective in around 95% of cases and lasts for at least twenty years and possibly a person's entire life. [4] If given, two doses are recommended beginning after the age of one. [2] It is given by injection into a muscle. [2] The first hepatitis A vaccine was approved in the European Union in 1991, and the United States in 1995. [5]
The 2019 United States Hepatitis A outbreak was an occurrence of several declared outbreaks of the disease, Hepatitis A, in locations in the United States including substantial instances in the states of Kentucky, [2] Mississippi, Florida, and the city of Philadelphia, Pennsylvania, [3] as well as an isolated food-related occurrence in New Jersey. [4]
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] In many places of Asia and Africa ...
Combined hepatitis A and B vaccine, is used to provide protection against hepatitis A and hepatitis B. [3] [7] It is given by injection into muscle.[8]It is used in areas where hepatitis A and B are endemic, for travelers, people with hepatitis C or chronic liver disease, and those at high risk of sexually transmitted diseases.
This abnormal immune response results in inflammation of the liver, which can lead to further symptoms and complications such as fatigue and cirrhosis. [3] The disease is most often diagnosed in patients in their late teens or early 20s and between the ages of 40 and 50. It affects women more commonly than men. [4]