The average infection rate of mosquitoes was 0.04%, and reduced year by year. 3 066 cases were tested by IFA, and with the positives 108, the average positive rate is 3.52%.

 
  • 纵向监测显示,累计检出微丝蚴阳性者59例,全部在3~6年内自然转阴,蚊媒自然感染率为0.;04%25,并呈逐年下降趋势。
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