Though it was originally developed as an anticancer drug in 1964, azidothymidine (AZT) was never approved for that purpose. Two decades later, however, it was discovered to be effective in fighting HIV. At the time, thousands of people were dying of AIDS, and no other treatment was forthcoming. For humanitarian reasons, the drug was approved by the US Food and Drug Administration in a matter of months, rather than the usual eight to 10 years. How does the drug prevent HIV from reproducing? Discuss
Source: The Free Dictionary