Articles on Medical Diseases and Conditions

The HIVs are retroviruses; their genetic information (genome) is composed of RNA rather than the usual DNA. To reproduce, the virus uses an enzyme known as reverse transcriptase to produce a DNA copy of its genetic RNA and incorporates this material into the host cell genetic material. Some of the copied viral genome also exists […]

Endocarditis is infection of one or more heart valves, although infection of mural thrombi is usually included. The disease used to be separated into two types, acute and subacute. The acute type was most often caused by S. aureus, usually affected a normal heart valve, and had a relatively short severe course. Other bacteria less […]