, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71 , 73 , 76 The pooled prevalence of diarrhea symptoms across these studies was 7.7% (95% CI, 7.2%–8.2%). When analyzing by country (studies from China vs studies from other countries), the pooled prevalence of diarrhea in studies from countries other than C