#H7N9: Shanghai Influenza Contingency Plan Level III: Yellow Warning - Definition

Start influenza pandemic three contingency plans

　　2, 2009, Shanghai started the influenza pandemic three contingency plans, a yellow warning sounding the avian flu. Relevant departments, health care institutions fully operational detection and prevention and control of influenza outbreaks, to respond to the H7N9 avian influenza virus. This also means that the H7N9 avian influenza was officially rated a greater level of public health events.

　　Shanghai Health and Family Planning Commission Xu Jianguang, Shanghai Public Health Clinical Center security preparations for the implementation of the personnel required medical treatment, medicines, equipment and other municipal designated medical institutions, have been identified. 43 influenza monitoring sites of the city and 130 medical institutions set up fever clinics unexplained pneumonia active search for rapid increases frequency changed by weekly report daily report.

　　Shanghai primary schools and nurseries illness absences absences and reporting system is also highly concerned about the schools, hospitals, nursing homes and other collective units 5 cases in 1 week and above ILI epidemiological association, the parties concerned will take immediate measures.Shanghai at the same time still the seven districts poultry farms set up monitoring points, monitoring the health status of waders staff.

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　　According to China's relevant regulations, the outbreak of the new influenza virus subtype is divided into general (Ⅳ) larger (Ⅲ), major (Ⅱ) and especially significant (Ⅰ), followed by blue, yellow, orange and red early warning, emergency response to the implementation of grade Ⅳ, Ⅲ, Ⅱ grade and grade Ⅰ respectively.

　　Ⅳ level blue alert, a new subtype of influenza A virus isolated in human specimens, but did not produce specific antibody response, or produce specific antibody response failed to show clinical signs.

 Ⅲ grade yellow warning, and incidence of human infection with the new influenza virus subtype, but no human-to-human transmission occurred. Ⅱ level orange alert, new subtype of influenza A virus in human-to-human transmission, but the transmission range is relatively limited. Ⅰ level red alert, said the pandemic phase.