Figure 1From: Prevalence of intestinal protozoa infection among school-aged children on Pemba Island, Tanzania, and effect of single-dose albendazole, nitazoxanide and albendazole-nitazoxanideComparison of prevalence of intestinal protozoa infections assessed in mid-2011 at baseline, 3 weeks post-treatment follow-up and combined results (current study) against prevalence determined in 1984 (study done by Pampiglione et al. [[17]] ) on Pemba Island, Tanzania.Back to article page