| In recent years, the avian flu virus has a large-scale popular all over the world, causing many casualties, very bad for development of animal husbandry in China even all over the world, for us the safety of the public health has also had a serious threat, and caused huge economic loss, more seriously, because of the bird flu virus is still in interpersonal pandemic potential, therefore, investigation and study of avian influenza virus antibody levels in the population distribution is of great significance.In order to understand H7N9, H9N2 and H5N1 avian influenza virus in shandong laiwu, heze and infection of taian three areas of the crowd, we are more than three areas of the people of different ages of H5 and H7 and H9 avian influenza virus antibody serology monitoring survey.Collected a total of 602 copies of effective serum, blood clotting and blood clotting inhibition experiment method to test the acquisition of serum.In order to more intuitive analysis of the three areas of the bird flu antibody level in shandong province, we put this 602 serum, according to the age, rural and urban, classified statistical results.Three cities on the whole, the H7 antibody positive serum of 0;H9 antibody positive serum of 94, the positive rate was 15.6%, of which rural for 50, positive rate was 17.2%, the city is 44, positive rate is 14.1%;H5 antibody positive serum is 34, positive rate was 5.6%, of which rural 19, positive rate was 6.6%, the city is 15, positive rate was 4.8%, the overall, rural H5 and H9 positive rate were higher than in the city.Regionally, taian the collected a total of 200 serum and H7 antibody positive serum of 0;H9 antibody positive serum is 34, positive rate was 17.0%, of which rural for 21, positive rate was 19.3%, the city of 13, positive rate is 14.3%;H5 antibody positive serum for November, positive rate was 5.5%, of which rural is 8, positive rate was 7.3%, the city for three parts, the positive rate is 4.4%.Heze area collected a total of 217 serum and H7 antibody positive serum of 0;H9 antibody positive serum to 37, positive rate was 17.1%, of which rural for 20, positive rate was 18.9%, the city of 17, positive rate is 15.3%;H5 antibody positive serum for 15, positive rate was 6.9%, of which rural for October, positive rate was 9.4%, the city for five copies, positive rate was 4.5%.Laiwu region collected a total of 185 sera, H7 antibody positive serum of 0;H9 antibody positive serum to 23, positive rate was 12.4%, including 9 rural, positive rate was 12.0%, the city is 14, positive rate is 12.7%;H5 antibody positive serum of 8, positive rate was 4.3%, of which rural for 1, positive rate was 1.3%, the city of 7, positive rate was 6.4%.The survey of the three areas, a total of 314 people working conditions, they can be divided into engaged in breeding populations and the breeding of the crowd, through the table 9, we can see clearly, is engaged in the breeding of H5 and H9 serum antibody positive rate was significantly higher than the breeding population, statistical analysis showed that engaged in the breeding population and the breeding of the crowd, significant difference.In addition in shandong province in different parts of the analysis of different ages, each age difference rate is not very big, is more balanced, different age groups, urban and rural areas and urban and rural areas, there is no significant differences between different age groups, and also not significant difference in different parts of the city and countryside, and in the same area is not significant difference in urban and rural areas.From our survey results, the three areas of positive situation is worth our concern, a variety of avian flu to public health security have formed a certain threat.Many people awareness of avian influenza infection of people also is not very seriously, we should focus on bird flu antibody level changes, strengthen the prevention and control. |
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