Fig. 2

School attendance and prevalence of S. haematobium (a) and S. mansoni (b) infection. There was no significant association between school attendance and prevalence of S. haematobium or S. mansoni infection across 29 sentinel sites in the Western half of Madagascar. Dotted lines indicate sites with low prevalence of infection (<10 % per WHO categories) of the respective species. Note that sites with 0 % prevalence overlap with the x-axis. Schistosoma haematobium infection = ≥1 Schistosoma haematobium egg(s) identified by urine filtration; School attendance = as reported by the head teacher at the school; Schistosoma mansoni infection = ≥1 S. mansoni egg(s) identified by duplicate Kato-Katz slides