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Volume 17, Number 9—September 2011

Dispatch

Syndromic Surveillance during Pandemic (H1N1) 2009 Outbreak, New York, New York, USA

Marlena Gehret Plagianos, Winfred Y. WuComments to Author , Colleen McCullough, Marc Paladini, Joseph Lurio, Michael D. Buck, Neil Calman, and Nicholas Soulakis
Author affiliations: Author affiliations: New York City Department of Health and Mental Hygiene, New York, New York, USA (M.G. Plagianos, W.Y. Wu, C. McCullough, M. Paladini, M.D. Buck, N. Soulakis); Institute for Family Health, New York (J. Lurio, N. Calman)

Main Article

Table

Borough-specific results for syndromic surveillance during pandemic (H1N1) 2009 outbreak, New York, New York, USA, 2009*

Borough and pandemic phase
Median days to increase in visits for ILI
p value†
ED
AC
Phase 1: Apr 24–May 8
All 4 12 <0.001
Bronx 5 12 0.045
Brooklyn 3 14 0.025
Manhattan 4 13 0.008
Queens 3 7 0.007
Staten Island
14
10
0.902
Phase 2: May 14–Jun 4
All 4 8 <0.001
Bronx 1 6 0.004
Brooklyn 4 12 0.039
Manhattan 4 7 0.016
Queens 4 8 0.091
Staten Island 5 8 0.012

*ILI, influenza-like illness; ED, emergency department; AC, ambulatory care.
†1-sided log rank test.

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