Serum Hepatitis a.k.a. Hepatitis B
Serum Hepatitis is also due to a virus, but it is different from the infectious hepatitis described in the last posst. This particular virus seems to be transmitted either by blood transfusion or through the use of unsterile dental drills. This condition takes from two to five months to develop so that the true cause is iften hard to trace down. The onset is moe gradual than is the case of infectious heapatitis.
Infectious hepatitis occurs more commonly in children and young adults, while serum hepatitis more frequently occurs in people who are over thirty years of age. The treatment is similar to that just described for infectious hepatitis.