The detection rate of rotavirus, pathogenic Escherichia coil(EPEC), Shigella dysenteriae and Salmonella was 30.2%, 8.4%, 7.2% and 1.3% respectively.

• 轮状病毒、EPEC、痢疾杆菌及沙门菌的检出率依次为30.；2%25，8