Viral hepatitis comes in many types, with its main pathogens including hepatitis A, B, C, D, E, and others. Each type targets different transmission pathways; for example, hepatitis A and E are primarily transmitted via the digestive tract. They can spread through fecal-oral transmission, and ingesting contaminated food can lead to the dissemination of hepatitis A or E. For hepatitis B, the main transmission routes include mother-to-child transmission, blood and body fluid transmission, and close personal contact can also lead to the transmission of hepatitis B. As for hepatitis C, the primary transmission method is through transfusion of blood or blood products, and patients on dialysis are a high-risk group for hepatitis C infection.