Epidemiological analysis and risk assessment on public health emergencies of infection diseases in Shenzhen City,2009-2013

Objective Epidemiological analysis was conducted on public health emergencies of infection diseases in 2009-2013 in Shenzhen in order to provide an important reference for risk assessment of public health emergencies,and to reduce the occurrence of risks and hazards of emergent public health events. Methods The distribution of public health emergencies of infection diseases reported in 2009-2013 in Shenzhen was analyzed.And a matrix method of risk analysis(AS/NZS4360:1999)was used in risk assessment. Results A total of 131 cases of infectious disease emergencies were reported in 2009-2013 in Shenzhen,among which 96.2% were unrated.They mainly occurred in the middle and primary schools as well as kindergartens,and the main route of transmission was respiratory tract,accounting for 54.2%.In 2014,the risk assessment results of infectious disease emergencies were 2types of extremely high risk events,9types of high risk events and 1type of middle risk event. Conclusions The occurrence of public health emergencies of infection diseases is overall lower in Shenzhen City in 2009-2013.The matrix method of risk analysis can effectively identify risk events of various rates.It is easy to operate and suitable for application in grass-roots units.