When Grandpa Was A Boy, Were There Any Dinosaurs?

Out Of Limbo

1987: The antiretroviral drug AZT, developed in the 1960s to combat cancer, proved too toxic for its intended use. After years in pharmaceutical limbo, the drug returned to favour in the 1980s when it was found it could treat HIV and AIDS – appropriate, given that it was first isolated from herring sperm.

Source: Barry D. Schoub, AIDS & HIV in Perspective: A Guide to Understanding the Virus and Its Consequences (1999), pp. 177–9

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