I tamaiti, o siama e mafua ai i le 15% o faʻamaʻi pipisi, ma o ituaiga sili ona taatele o Escherichia coli, Salmonella, Shigella, ma Campylobacter ituaiga. Afai e faʻaleagaina meaʻai i siama ma tumau i le vevela o le potu mo le tele o itula, o siama e faʻateleina ma faʻateleina ai le aʻafiaga o faʻamaʻi i latou e faʻaumatia meaʻai. O nisi meaʻai e masani ona fesoʻotaʻi ma faʻamaʻi e aofia ai aano o manu poʻo le faʻamamaina, moa, meaʻai i le sami, ma fuamoa mata; sprouts; susu le faʻamamaina ma cheeses vaivai; ma fualaʻau ma fualaʻau fualaʻau. I le lalolagi atoa, aemaise lava i le itu i saute o le Sahara ma Aferika ma Asia, o le cholera o se mafuaʻaga masani o faʻamaʻi pipisi gastroenteric. O lenei faʻamaʻi e masani ona tupu i le Escherichia coli, Salmonella, Shig
e faateleina le siama ma faateleina ai le lamatiaga o le aafia o i latou e ʻai i le meaʻai