Hepatitis can be caused by alcohol, drugs, chemicals, genetic diseases and virus. In Hong Kong, viral Hepatitis is more commonly seen.
There are at least 6 viruses that can cause infective Hepatitis, namely Hepatitis A, B, C, D, E and G viruses.
Hepatitis A and E are transmitted by contaminated food and water;
While Hepatitis B, C, and G on the other hand are transmitted by blood or body fluids.