[Reslts] 10 days after the volunteer ate 316 M.orientals metacercariahe began to get stomache,feel bloated,have a jaded appetite and the liver was uncomfortable.

• 结果 受试者吞服316个东方次睾吸虫囊蚴后,第10天开始出现腹痛、腹胀、食欲减退、肝区不适等症状。