Viral Hepatitis A is a contagious liver infection caused by the Hepatitis A virus (HAV). It is primarily spread through the ingestion of contaminated food or water, often due to poor sanitation. Symptoms can include fatigue, nausea, abdominal pain, and jaundice, but some people may not show any symptoms at all. Vaccination is an effective way to prevent Hepatitis A, and good hygiene practices, such as washing hands thoroughly, can reduce the risk of transmission. Most people recover completely within a few weeks, but in rare cases, it can lead to severe liver disease.