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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Nat Med. 2009 May 17;15(8):901–906. doi: 10.1038/nm.1967

Figure 4.

Figure 4

SIV viral loads after challenge infection. Plasma samples from unimmunized and immunized animals were tested after challenge infection for SIV RNA genomes (viral load). Day of challenge was 0 months (and 3.5 months for the second set of unimmunized control animals). (a) 4L6 immunized animals. (b) 5L7 immunized animals. (c) N4 immunized animals. (d) Unimmunized controls. Monkeys C009, D225, D059, and D152 from the unimmunized control group were euthanized between 57 and 60 weeks after infection due to AIDS-related complications.