Which hepatitis is worse a ' b or c ?

Depends on criteria: Hbv transmits more efficiently by needlestick, sexually or neonatally and is more likely to cause acute fulminant disease. Hcv is more likely to become chronic. Both can cause cirrhosis which may result in liver cancer. There is a vaccine to prevent hbv, not hcv and therapy can be instituted for either.

Hepatitis: It is difficult to answer. Hepatitis a is occasionally can cause acute liver failure in acute stages but never become chronic. Whereas hepatitis b and c can become chronic. This can cause liver cirrhosis and liver cancer. Hepatitis b occasional can cause acute liver failure.