FluView : 2016-2017 influenza season week 40 ending October 8, 2016

All data are preliminary and may change as more reports are received.The Centers for Disease Control and Prevention\ue2\u20ac\u2122s (CDC) Influenza Division collects, compiles, and analyzes information on influenza activity year-round in the United States and produces FluView, a weekly influenza surveillance report, and FluView Interactive , which allows for more in-depth exploration of influenza surveillance data. The U.S. influenza surveillance system provides information in five categories collected from eight data sources. This is the first report of the 2016-2017 influenza season, which began on October 2, 2016.The five categories and eight data components of CDC influenza surveillance are:\ue2\u2014\ua6Viral Surveillance: U.S. World Health Organization (WHO) collaborating laboratories, the National Respiratory and Enteric Virus Surveillance System (NREVSS), and human infection with novel influenza A virus case reporting;\ue2\u2014\ua6Mortality: National Center for Health Statistics (NCHS) Mortality Surveillance System and influenza-associated pediatric deaths;\ue2\u2014\ua6Hospitalizations: Influenza Hospitalization Network (FluSurv-NET) including the Emerging Infections Program (EIP) and three additional states;\ue2\u2014\ua6Outpatient Illness Surveillance: U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet);\ue2\u2014\ua6Geographic Spread of Influenza: State and territorial epidemiologists\ue2\u20ac\u2122 reports.External_F1640.pd