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目的:监测和分析本市流行性感冒的流行动态和病原学特征,为流感的预防控制提供科学依据。方法:监测本市哨点医院的流感样病例(Influenza Like Illness,ILI)发病动态,实时荧光定量PCR检测咽拭子标本,血凝抑制试验方法检测血清标本抗体。结果:全年本市共监测ILI9433例,占门急诊病例总数的1.69%。411例咽拭子阳性,其中H3亚型111例(27.01%),新H1N1型23例(5.60%),B型277例(67.39%)。3035份流感样病例检出H1、H3、新H1亚型抗体阳性标本分别923例(30.4%)、810例(26.7%)、868例(28.6%)。结论:该市人群已获得一定的免疫力,但流感病毒仍比较活跃,需在流行高峰前继续采取以流感疫苗接种为主导的综合性预防措施。
Objective: To monitor and analyze the epidemiological and epidemiological features of influenza in our city and provide a scientific basis for the prevention and control of influenza. Methods: The incidence of Influenza Like Illness (ILI) in sentinel hospitals in our city was monitored. The throat swab samples were detected by real-time fluorescence quantitative PCR and the serum samples were detected by hemagglutination inhibition test. Results: In the whole year, 9,433 cases of ILI were monitored in our city, accounting for 1.69% of the total number of emergency department. Throat swabs were positive in 411 cases, of which 111 cases (27.01%) were H3 subtype, 23 cases (5.60%) were new H1N1 cases and 277 cases (67.39%) were type B cases. There were 923 cases (30.4%), 810 cases (26.7%) and 868 cases (28.6%) of the H1N1, H1N1 and H1N1 antibody positive samples in 3035 influenza-like cases respectively. Conclusion: The population of the city has gained some immunity, but the influenza virus is still relatively active. It is necessary to continue taking comprehensive preventive measures led by influenza vaccination before the epidemic peak.