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. 2008 Jul 9;3(7):e2636. doi: 10.1371/journal.pone.0002636

Figure 2. Correlation of anti-Pfs25H antibody units with transmission blocking activity measured as percent reduction in oocysts per mosquito.

Figure 2

Sera or purified IgGs were tested in replica in various dilution. The non-linear equation: Inline graphic was used to fit the data, where variables Y and X are the percent reduction of oocyst number, and the ELISA units, respectively, the curve parameters were calculated as a  = 1.27 (95% CI 0.96–1.68) and b = 1093 (95% CI 682–1565).