Etiologic Analysis on Mornitoring Results of Hand-food-mouth Cases in Xuchang between 2019 and 2020
Objective To analysis the etiological types and distribution features of hand-foot-mouth disease in Xuchang between 2019 and 2020.Methods The specimens of stool,anus swabs,herpes fluid,throat swab of the part local clinically diagnosed cases with HFMD were collected between 2011 and 2013 in Xuchang,and the moni-toring datas were analyzed.Results A total of 540 samples were tested in the past two years with 409 positive,and the total positive rate was 75.74％.Among them,81 were positive for CA16(19.80％),11 were positive for EV71(2.69％),and 280 were positive for other enterovirus(68.46％).There was no significant difference in the positive rate of enterovirus between mild and severe cases(x2=0.37,P＞0.05),and no significant difference in the composi-tion ratio among different age groups(x2=1.42,P＞0.05).Conclusion The main incidence group of hand-foot-mouth disease in Xuchang City from 2019 to 2020 was children under 3 years old.The dominant strain was other en-terovirus,and the positive proportion of EV71 enterovirus was significantly reduced.
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