[Etiological investigation on diarrhoeal diseases in the rural area of Suixian county, Yu Dong plain in China].

To study the etiology of diarrhoeal diseases in the rural area, we carried out a study on diarrhoeal diseases in two natural villages. 15 kinds of diarrhoeal pathogens including 172 strains were isolated from 318 patients with diarrhoea making the isolation rate 49.37%; 12 kinds of diarrhoeal pathogens and 69 strains were isolated from 310 healthy controls and the isolation rate was 22.26%; 6 kinds of diarrhoeal pathogens and 44 strains were isolated in 405 samples obtained from the envronmenfal samples. The major pathogens isolated from various samples were ETEC (LT) and proteus, followed by Shigella, Rotavirus. Analysis on the pathogenetic agents and preventive measurements were also carried out.