A person who can give a disease to others, and who may or may not have any symptoms of that disease. It provides safety guidelines and information on human disease and other health topics. One of the forms of hepatitis that clears up within a few years, leaving many patients free of outward symptoms. However, patients remain carriers of the virus and still can transmit the disease without feeling sick themselves. A progressive disease of the liver where large amounts of scar tissue replace working liver tissue.
Cirrhosis affects blood flow within the liver as well as liver function.
The ability of a disease to spread from one person to another. The ending of all signs of a disease. Proteins that work like hormones, by controlling the strength and length of immune responses. They are produced by many different kinds of cells. Destructive to cells.