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. 2013 Jan 23;8(1):e54871. doi: 10.1371/journal.pone.0054871

Figure 5. Absence of neutralising antibodies in early FIV infection – Group 2.

Figure 5

Sequential plasmas from group 2 (825, 826, 827 and 828) animals collected at 0,3,6,10,12,15,18 and 21 weeks post-infection were diluted 1∶100 and assayed for the ability to neutralise HIV(FIV) pseudotypes bearing the B14, B19, B28, B30, B31 and B32 Envs. Also shown are pooled uninfected (−ve) plasma and post-mortem plasma from A613 (+ve). Neutralisation data are shown in comparison with total proviral loads for each cat as estimated using either gag or env–specific real-time PCR, or the variant (B14, B19, B28 and B30)-specific V5-targeted real-time PCR. All estimates of proviral load and luciferase activity are displayed as mean (n = 3) +/− SE.