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Hepatitis A vaccine is a vaccine that prevents hepatitis A. [1] [2] It is effective in around 95% of cases and lasts for at least twenty years and possibly a person's entire life. [3] If given, two doses are recommended beginning after the age of one. [1] It is given by injection into a muscle. [1]
Aug 27, 2022 · Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus. The virus is one of several types of hepatitis viruses that cause liver inflammation and affect your liver's ability to function. You're most likely to get hepatitis A from contaminated food or water or from close contact with a person or object that's infected.
Jul 20, 2023 · Key facts. Hepatitis A is an inflammation of the liver that can cause mild to severe illness. The hepatitis A virus (HAV) is transmitted through ingestion of contaminated food and water or through direct contact with an infectious person. Almost everyone recovers fully from hepatitis A with a lifelong immunity.
Hepatitis A is a vaccine-preventable liver infection caused by the hepatitis A virus (HAV). HAV is found in the stool and blood of people who are infected. Hepatitis A is very contagious.
Page last reviewed: July 1, 2020. Content source: Division of Viral Hepatitis, National Center for HIV, Viral Hepatitis, STD, and TB Prevention. Hepatitis A is a vaccine-preventable liver infection caused by the hepatitis A virus (HAV). It can cause symptoms but does not usually lead to liver damage.
Oct 20, 2023 · Hepatitis A is a type of viral hepatitis. It causes an acute, or short-term, infection. This means that people usually get better without treatment after a few weeks. Thanks to a vaccine, hepatitis A is not very common in the United States.
Jun 26, 2017 · Transmission. Hepatitis A is highly transmissible and has an average incubation period of 28 to 30 days (range 15–50 days). The maximum infectivity is during the second half of the incubation period (i.e. while asymptomatic) and most cases are considered non-infectious after the first week of jaundice.
