21.   The hepatitis C virus proved quite tricky to find because it replicates at a low level, making it difficult to detect in the blood and liver.

22.   The hepatitis C virus is the deadliest of the three major varieties of hepatitis.

23.   The incidence of post-transfusion hepatitis has sharply dropped in this country in the last few years since the introduction of a test to detect the hepatitis C virus.

24.   There are six strains of the C virus.

25.   Unlike HIV, the hepatitis C virus is sturdy.

26.   US blood banks will soon begin using a new genetic screening test, primarily to detect blood containing the hepatitis C virus, a leading cause of liver failure.

27.   A judge ruled Wednesday that the city must boost funding to treat firefighters and paramedics infected with the dangerous hepatitis C virus on the job.

28.   Hepatitis C virus is usually spread directly from one person to another via blood or needles.

29.   The city will provide millions of dollars to help firefighters and paramedics who have contracted the deadly hepatitis C virus, the mayor said Monday.

30.   Hepatitis C virus is associated with chronic liver disease, cirrhosis, and liver cancer, according to the study.