May 25, 2001
Dear Dr. Holodniy,
Can you provide me an approximate date when sub-types HIV-1 N and O were "first" identified? Seconly, did they originate in Africia, and are they common in this hemisphere? Thanks in advance!
Response from Dr. Holodniy
1. mid to late 1990's 2. Yes 3. No, if you are speaking of the North/South American continents.
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