What is the primary method of transmission for hepatitis A virus?

The primary method of transmission for the hepatitis A virus is through the fecal-oral route. This means that the virus is spread when a person ingests food or water that has been contaminated with the stool of an infected person. This can occur in various situations, such as when sanitation practices are poor, or in settings where people may not have access to clean water and adequate hygiene.

Unlike other forms of hepatitis, such as hepatitis B and C, which are more commonly transmitted through blood and bodily fluids, hepatitis A is primarily associated with ingestion of contaminated substances. Understanding this route of transmission is crucial for prevention, as proper handwashing, safe food preparation, and the use of clean water can significantly reduce the risk of infection.