Analysis on factors of H1N1 flu pandemic influenza in Qingxin county

Abstract

[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 H1N1flu,provide the scientific basis for improving the prevention and control measures.[Methods]Six towns were selected as monitoring stations in Qingxin county central,southem and northern region,extracting the general population venous blood,ELISA test was carried out on a H1N1 IgG antibody serologicad 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 H1N1 flu vaccine for 2.49％ rate,the effect of immunity for 57.58％,a cold of visit for 70.66％ rate,the case of H1N1 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 H1N1 flu vaccine crowd influenza and influenza H1N1 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. Key words: Influenza HIN1 flu; Epidemiological survey; Serum antibodies; ELISA