When was HIV virus discovered?
Ans. is 'a' i.e., 1983(Ref: Harrison, 18th/e, p. 3146)* In 1983, human immunodeficiency virus (HIV) was isolated from a patient with lymphadenopathy, and by 1984 it was demonstrated clearly to the causative agent of AIDS.
1983
1976
1969
1992
Human Immunodeficiency Virus