Kana chikafu chikasvibiswa nemabhakitiriya uye chikaramba chiri patembiricha yekamuri kwemaawa akati wandei, mabhakitiriya anowanda uye anowedzera njodzi yehutachiona kune avo vanodya chikafu. Zvimwe zvekudya zvinowanzoenderana nechirwere zvinosanganisira nyama mbishi kana isina kubikwa zvakakwana, huku, hove, uye mazai mbishi; mukaka usina kubikwa uye chizi dzakapfava; michero nemiriwo yemiriwo. Munyika, kunyanya sub-Saharan Africa neAsia, cholera chirwere chakajairika chechirwere chemuviri. Ichi chirwere chinowanzoitika neEscherichia coli, Salmonella, Shigella, uye Campylobacter mhando.
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