Upper bound Clopper-Pearson one-sided 95% confidence intervals for an observed <i>Leishmania</i> prevalence of 0%, evaluated by two strata: rodent species (for those species with ≥15 individuals represented) and study site.

Calculations were performed in R using the package “binom” (http://cran.r-project.org/web/packages/binom/binom.pdf).