Volume 17, Number 9—September 2011
Dispatch
Syndromic Surveillance during Pandemic (H1N1) 2009 Outbreak, New York, New York, USA
Marlena Gehret Plagianos, Winfred Y. Wu
, Colleen McCullough, Marc Paladini, Joseph Lurio, Michael D. Buck, Neil Calman, and Nicholas Soulakis
, Colleen McCullough, Marc Paladini, Joseph Lurio, Michael D. Buck, Neil Calman, and Nicholas SoulakisTable
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.
