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3 answers

Why is HIV singled out from other STIs?

If HIV is an STI, then why is HIV often listed separately? Examples: HIV & Sexually Transmitted Infections Fact sheet STDs and HIV – CDC Fact Sheet What You Need To Know About the Links Between ...
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Was "patient zero" a concept used in epidemiology before 1980s HIV investigation?

This question may possibly be a fit for English Language or History stackexchange. Recently it was widely reported in the media about the results of new genetic testing of early HIV samples. The ...