Past Weekly Surveillance Reports
Information about the 2009 H1N1 pandemic is archived and available at http://www.cdc.gov/h1n1flu/.
|Years||Report for the week ending|
|Previous Years||United States Surveillance Data: 1997 - 1998 through 2007 - 2008 Seasons|
*Pediatric influenza hospitalization data for the 2007-2008 season from one site in the New Vaccine Surveillance Network (NVSN) contained errors. The data were reanalyzed and updated results were posted in the May 17, 2008, week 20 report. Other influenza surveillance systems are unaffected.