“…Leaveoneout analysis from each pathogenspecific metaanalysis (except for typhoid and noroviral enteritis, which had only two studies each) revealed that some studies had considerable influence, but generally did not change the summary estimates and the large hetero geneity (appendix pp 19,26,31,36,38,39). For shigellosis and cholera, omitting the estimates from studies with a high risk of bias did not change the effect estimate and heterogeneity (appendix pp 26,38).…”