... activity with a person known to have HIV, the virus that causes AIDS, for one year. "Since the beginning of the HIV/AIDS epidemic more than 30 years ago, the scientific community's understanding of the virus has changed dramatically," the lawmakers ...
http://www.ontopmag.com/article.aspx?id=16036&MediaType=1&Category=26#
http://www.ontopmag.com/article.aspx?id=16036&MediaType=1&Category=26#
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