[Studies on man-cattle-man infection cycle of Sarcocystis hominis in Yunnan].

The present paper reports on the results of an experimental study on man-cattle-man infection of Sarcocystis hominis, found in Yunnan Province. About ten thousand sporocysts collected from the feces of persons naturally infected with Sarcocystis hominis were fed to a calf, which was dissected 150 days later. Numerous cysts of Sarcocystis hominis were found in the cardiac and skeletal muscles.