Detecting influenza and emerging avian influenza virus by influenza and pneumonia surveillance systems in a large city in China, 2005 to 2016 [post]

2019 unpublished
BACKGROUND: Detecting avian influenza virus has become an important public health strategy for controlling the emerging infectious disease. METHODS: The HIS (hospital information system) modified influenza surveillance system (ISS) and a newly built pneumonia surveillance system (PSS) were used to monitor the viruses in Changsha City, China. The ISS was used to monitor outpatients in two sentinel hospitals to detect mild influenza and avian influenza cases, and PSS was used to monitor
more » ... o monitor inpatients in all 49 hospitals to detect severe and death influenza cases. RESULTS: From 2005 to 2016, 3,551,917 outpatients were monitored by the ISS system, among whom 126,076 were influenza-like illness (ILI) cases, with the ILI proportion (ILI%) of 3.55%. After the HIS was used, the reported incident cases of ILI and ILI% increased significantly. From
doi:10.21203/rs.2.1751/v2 fatcat:juz6rzjegffhpocbxpzywegbym