Prevalence of IgG to FV2 and ID1-ID2a in non-pregnant individuals and pregnant women at delivery.

aCut-off for FV2 seropositivity was determined based on the mean + 2 SD for resident males after excluding the occasional male (n = 2 Yaoundé, n = 1 Ngali, n = 1 Simbok) with MFI greater than the mean +3 SD.bUS controls (n = 66) were used to establish a cut-off for seropositivity to ID1-ID2a.c3% of women who were not seropositive for FV2 were seropositive for DBL5 FCR3, indicating they had been exposed to CSA-binding P. falciparum IE.dMean ± SD.