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目的通过调查境外输入性黄热病病例和监测安哥拉等黄热病疫区回国人员健康状况,制定并采取有效的防控措施,降低发生本地传播的风险。方法对所有输入性黄热病病例进行流行病学个案调查,采集病例血液和尿液标本进行实验室检测。对安哥拉等黄热病疫区归国人员开展健康监测。结果截止2016年4月18日,共报告5例输入性黄热病病例,主要表现为发热、关节痛等症状;5例病例均来自安哥拉,仅1例在前往安哥拉前接种过疫苗,其余4例均在安哥拉进行的应急接种;健康监测,共追踪监测215人,发现3例疑似病例,经实验室检测,均排除黄热病病毒感染。结论为防止疫情输入,降低本地传播的风险,工作重点是加强宣传和爱国卫生运动、清理蚊媒孳生地;并且加强疫情监测,持续做好疫区回国人员健康追踪,及时发现和治疗输入性病例。
OBJECTIVE To develop and adopt effective prevention and control measures to reduce the risk of local transmission by investigating cases of imported yellow fever and monitoring the health status of returnees in yellow fever areas such as Angola. Methods All cases of imported yellow fever were investigated by epidemiological investigation and blood and urine samples were collected for laboratory testing. Conduct health surveillance on returned workers such as Angola and other yellow fever-endemic areas. Results As of April 18, 2016, a total of 5 imported cases of yellow fever were reported. The main symptoms were fever and joint pain. Five cases were from Angola and only one case was vaccinated before going to Angola. The remaining 4 cases Emergency vaccination were carried out in Angola; Health monitoring, tracing a total of 215 people were monitored and found three cases of suspected, laboratory testing, are excluded yellow fever virus infection. Conclusions In order to prevent the epidemic from entering and to reduce the risk of local transmission, the focus of work is to step up publicity and patriotic health campaigns and clean up mosquito breeding sites; and strengthen the surveillance of epidemic situation, continue to track the health of returnees in affected areas and promptly detect and treat imported cases .