Anderson spoke about the disease while accepting amfAR's award of courage.
There are at least 109 cases of hepatitis among children in the U.S.
In Minnesota, one of the latest to see cases, two children have required liver transplants. One of them still waiting.
Passengers who were on a flight from San Francisco International Airport to Charlotte may have been exposed to Hepatitis A, according to the Centers for Disease Control.
State health officials say patients at a New Jersey plastic surgery center may have been exposed to bloodborne infections because of lapses in infection control procedures.
Customers at a spa are being urged to get tested for HIV, after getting "vampire facials."