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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