As far as viruses go, human immunodeficiency virus (HIV) is quite simple. About 100,000 times smaller than a red blood cell, the virus expresses just a dozen proteins, yet it can establish a lifelong infection that, if left untreated, causes acquired immunodeficiency syndrome (AIDS) and death.
Advancements in HIV science
As far as viruses go, human immunodeficiency virus (HIV) is quite simple. About 100,000 times smaller than a red blood cell, the virus expresses just a dozen proteins, yet it can establish a lifelong infection that, if left untreated, causes acquired immunodeficiency syndrome (AIDS) and death.