Viral since 1973

Ebola, Marburg (1977)
origin undetermine (importation of monkeys associated with outbreaks in Europe and U.S.)
HTLV (1980)
Pig-duck agriculture contribute to reassortment of avian and mammalian influenza viruses
HIV (1983)
You know. War, urban decay, migration to cities, and travel might have further spreaded the disease
Hepatitis C (1989)
Transmission by infected blood
Hantaviruses (1993)
Increased contact with rodents because of eco/environmental changes