[Group cryptosporidiosis morbidity in children].

The group morbidity with cryptosporidiosis (13 cases) was recorded in infants from a somatic hospital and a nursery school and also among unorganized groups. The factor of transmission was kefir prepared in the nursery milk kitchen. Cryptosporidian oocysts were not found in the personnel of the kitchen. It was supposed that the contamination of milk by oocysts occurred on milk farm. Single oocysts were found in milk sediments on the filter taken from a tank at a milk factory.