| seroepidemiology of human plague in the madagascar highlands. | we conducted a seroepidemiological survey of human plague in the general population using random sampling in the area of ambositra, the main focus of plague in the central highlands of madagascar (520 confirmed and presumptive cases notified during the past 10 years). sera were tested using an elisa igg f1 assay. considering the internal validity of the assay and the sampling method, the overall corrected prevalence of f1 antibodies was 0.6% (95% ci: 0.2%-1.8%). being nearly 0 up to the age of 4 ... | 2000 | 10747268 |