Infection severity: There are several differences between HIV and aids. Human immunodeficiency virus (HIV) is the virus that causes progressive destruction of the immune system. As the immune system declines, a person can get one of 20+ opportunistic infections associated with acquired immund deficiency syndrome (aids). A person can also have aids if their CD4 or t-cell count (marker of immune function) is <200.
Answered 2/13/2015
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