Xining Municipal Health Bureau, in the city’s health conference predicted flu epidemic trend of influenza a H1N1 in Xining city were informed that in January 2010 is expected to May, October to December, there is still the possibility of an outbreak of influenza a H1N1 local area of Xining, especially the Spring Festival population mobility, people living and diet easy to change, a wide range of influenza a H1N1 influenza epidemic and outbreak or the local community.

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report also pointed out that since September 5, 2009 the city’s first case of influenza H1N1, as of December 31st 24, the city’s total of 1293 confirmed cases, 1286 cases were cured (including total hospital total 424 cases were cured; 862 cases were cured, the cumulative home) accumulated 62 severe cases and 6 death cases reported a total of 7 counties. January 1, 2010 to 15, the city a total of confirmed cases of influenza A (H1N1) cases of severe cases (1 cases), no deaths, the overall epidemic showed a downward trend.

informed in the analysis of pre epidemic, Xining area in 2009 H1N1 influenza showed two time high, from September 18th to October 2nd (456 cases), from October 18th to November 1st (349 cases) morbidity is gathered, accounted for 62.26%. From the regional analysis, Chengdong district (312 cases), North Region (311 cases) in the total incidence of 48.18%; Datong County, Huangyuan county has reached a peak incidence since October 18th, different from other area of disease. From the perspective of population distribution is mainly concentrated in the students, accounting for 77.26% of the total number of cases, of which the minimum age of onset was at the age of 0.5, the maximum is at the age of 83, mainly concentrated in the age of between 10 to 30 years old, accounting for the total number of 73.24%. From the case of aggregation, in 2009 reported a total of 31 cases of the epidemic, including the local aggregation of the outbreak of the disease, the cumulative incidence of 551 cases, the death of a total of 6 cases, affecting a total of 24 primary and secondary schools, 52995 students.