Volume 17, Number 9—September 2011
Syndromic Surveillance during Pandemic (H1N1) 2009 Outbreak, New York, New York, USA
|Borough and pandemic phase
||Median days to increase in visits for ILI
|Phase 1: Apr 24–May 8|
| Staten Island
|Phase 2: May 14–Jun 4|
*ILI, influenza-like illness; ED, emergency department; AC, ambulatory care.
†1-sided log rank test.
- Page created: September 06, 2011
- Page last updated: September 06, 2011
- Page last reviewed: September 06, 2011
- Centers for Disease Control and Prevention,
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
Office of the Director (OD)