清新县甲型H1N1流感流行因素分析

目的]通过系统监测调查,及时掌握我县甲型H1N1流感的疫情动态和流行规律,分析其流行因素,为我县完善甲型H1N1流感的防控工作提供科学依据.方法]在清新县中部、南部、北部地区选择6个镇作为监测点,抽取普通人群静脉血,用酶联免疫试验检测甲型H1N1 IgG抗体进行血清学调查,同时以面对面问卷方式进行流行病学调查.结果]共调查1325人,甲型H1N1流感抗体阳性190人,阳性率为14.34％;我县甲型H1N1流感病毒感染以轻症患者和隐性感染者为主；生活聚集性人群甲型H1N1IgG抗体高于非聚集人群(P＜0.05),甲型H1N1流感疫苗接种率为2.49％,免疫效果为57.58％;感冒患者就诊率为70.66％;甲型H1N1确诊0例.结论]疫苗接种率及免疫效果、医疗诊断的准确率、生活聚集人群的易感性、以轻症感染和隐性感染为主的感染状况是影响我县甲型H1N1流感流行的主要因素,应加强人群甲型H1N1流感疫苗的接种,加强对临床医生甲型H1N1流感知识的培训,幼托机构、学校等聚集性场所仍然是我县甲型H1N1流感防控的重点场所.

Analysis on factors of H1N1 flu pandemic influenza in Qingxin county

Objective To grasp the dynamic features and popular rule of H1N1 flu outbreak in our county through the system monitoring survey, to analyze the popular factors of influenza H1N1 flu, provide the scientific basis for improving the prevention and control measures. Methods Six towns were selected as monitoring stations in Qingxin county central, southern and northern region, extracting the general population venous blood, ELISA test was carried out on a H1N1 IgG antibody serological survey, at the same time the face to face questionnaire of epidemiological investigation was also conducted. Results The serum samples of 1325 persons were tested, influenza H1N1 flu antibody positive for 190 people, positive rate was 14.34%, H1N1 influenza virus infection in patients in our county were mainly light and inapparent, the life of a crowd gathered H1N1 IgG antibody was higher than that in the crowd gathered（P〈 0.05）, influenza H 1N 1 flu vaccine for 2.49% rate, the effect of immunity for 57.58%, a cold of visit for 70.66% rate, the ease of H 1N 1 influenza was not found in the survey group. Conclusions The main factors influencing our county H1N1 flu pandemic influenza are the vaccine immunization rates among immune effect and medical diagnosis accuracy, the susceptibility of living gathering group, infections status with light and inapparent as main condition, the vaccination for H1N 1 flu vaccine crowd influenza and influenza H1N 1 flu knowledge training for clinical doctors should be strengthened, the nursery institutions and schools and other clustering area are still important places to be prevented and controlled for H1N1 flu prevention in our county.