Hepatitis a意思
"Hepatitis A" is a term used to describe an inflammation of the liver caused by the hepatitis A virus (HAV). It is a contagious liver disease that can range from a mild infection to a severe illness that can last for several months. Hepatitis A is typically transmitted through the consumption of contaminated food or water or through close contact with an infected person. Symptoms of hepatitis A can include fatigue, nausea, vomiting, abdominal pain, jaundice, and dark urine. A vaccine is available to prevent hepatitis A infection.