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Dynamics of anti-SIVrcm gp41 binding antibodies by SIVrcm-specific ELISA. SIVrcm-infected PTMs seroconverted between days 21 and 42 p.i. Transmembrane ELISA results are presented as crude OD values. Cutoff was arbitrarily established at 0.15. Animal EC01, •; BU62, ▾; EC23, ▪; EC25, ♦.
