安徽省首例人感染H5N6禽流感病例的调查与分析

Investigation and analysis on the first case of human infected with avian influenza (H5N6) in Anhui Province

目的分析安徽省首例人感染H5N6禽流感病例发病与流行病学特征,为制定监测方案与防控措施提供科学依据。方法对人感染H5N6禽流感病例、密切接触者、感染来源进行流行病学调查,采集相关生物和环境标本进行实验室检测,应用描述性流行病学方法进行分析。结果安徽省首例人感染H5N6禽流感病例为单个散发病例,密切接触者无感染,早期临床表现无特异性,发病前一周有明确的病死禽接触史,病禽市场检出2份H5N6阳性标本。结论该病例为本地感染病例,感染来源与接触病死禽有关,未发现人传人的证据。

We analyzed epidemiological and clinical characteristics of the case of human infected with avian influenza(H5N6)in Anhui Province and provided evidences for drawing up the prevention and control measures.We did an epidemiological investigation on the case,close contacts and infection source of the infected case;relevant specimens were collected and tested in laboratories.The data gathered were analyzed with descriptive epidemiology method.The first case of human infected with avian influenza(H5N6)in Anhui was a single case and did not showed signs of human-to-human transmission.The early clinical manifestations and signs was lack of specificity.This case had definite contact with sick/dead poultry one week before the onset of the disease.Two environmental specimen of live poultry market which was the source of sick/dead poultry had been detected and the results were H5N6 positive.This case was a local infection case and contacting with sick/dead poultry was the source of infection,while there was no evidence of human to human transmission.