1.   Several widely used non-steroidal anti-inflammatory drugs have been reported as causing severe hepatitis.

2.   Characteristics of the viruses appear to assign them to the Flavivirus family, which includes two other viruses -- hepatitis C and yellow fever -- that cause hepatitis.

3.   Four million Americans are thought to be infected with the virus that causes hepatitis C, and the disease is the leading reason for liver transplants.

4.   Hepatitis B is one of at least five identified viruses that cause hepatitis.

5.   It does not destroy viruses like those that cause hepatitis or the prions that may cause mad cow disease.

6.   The Johns Hopkins team focused on liver toxicity in part because of the growing problem of AIDS patients who also harbor the virus that causes chronic hepatitis C.

7.   The organism that causes hepatitis C is a virus that regularly changes its external protein coat in subtle ways that enable it to escape the immune system.

8.   What most people call hepatitis is caused by five viruses, known as hepatitis A through E.

9.   Montali worked with other veterinarians and physicians to pinpoint a cause, eventually identifying a virus similar to the one that causes hepatitis.

10.   Most hepatitis is caused by one of five previously known viruses, which are designated by the letters A through E.