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Nature ${rb.getVolume()}, 661-664 (2 October 2008) | doi:10.1038/nature07390;
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Direct evidence of extensive diversity of HIV-1 in Kinshasa by 1960
Human immunodeficiency virus type 1 (HIV-1) sequences that pre-date the recognition of AIDS are critical to defining the time of origin and the timescale of virus evolution. A viral sequence from 1959 (ZR59) is the oldest known HIV-1 infection.
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