Figure 2
Comparison of parasite prevalence levels following one round of mass drug distribution. A. Prevalence levels for S. mansoni, hookworm, A.lumbricoides and Trichuris trichura compared before and after treatment with praziquantel and albendazole. Error bars represent standard deviation (SD) of means. * represents significant change in prevalence following treatment B. Haemoglobin levels compared before and after treatment.