Hepatitis A vaccine

Hepatitis A vaccine is a vaccine that prevents hepatitis A. It is effective in around 95% of cases and lasts for at least fifteen years and possibly a person's entire life. If given, two doses are recommended beginning after the age of one. It is given by injection into a muscle. The first hepatitis A vaccine was approved in Europe in 1991 and the United States in 1995. It is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system. In the United States it costs US$50–100.

Hepatitis A vaccine

Hepatitis A vaccine is a vaccine that prevents hepatitis A. It is effective in around 95% of cases and lasts for at least fifteen years and possibly a person's entire life. If given, two doses are recommended beginning after the age of one. It is given by injection into a muscle. The first hepatitis A vaccine was approved in Europe in 1991 and the United States in 1995. It is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system. In the United States it costs US$50–100.