Aids Transmission to Humans

NPR's Joe Palca reports on new studies that seem to disprove the theory that the virus that causes AIDS was first transmitted to humans in tainted polio vaccine during the late 1950's. The evidence against that theory appears in today's issue of the journal Nature.

Comments

 

Please keep your community civil. All comments must follow the NPR.org Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.

Support comes from: