[invasive amebiasis as a public health problem]. | amebiasis, an infection of humans with the protozoan entamoeba histolytica, has a wide distribution in mexico. the lumenal, asymptomatic infection, as measured by the presence of cysts in stools has been recorded from 2.4% at ometepec, guerrero to over 55% at mixquic, d.f., but only a small percentage of those having intestinal infection will develop invasive amebiasis, the main clinical forms being dysentery and liver abscess. in mexico city, from 0.8 up to 14% of cases of acute diarrhoea in ch ... | 1989 | 2713060 |