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Volume 17, Number 2—February 2011

Dispatch

Alert System to Detect Possible School-based Outbreaks of Influenza-like Illness

Pamela MannComments to Author , Erin O’Connell, Guoyan Zhang, Anthoni Llau, Edhelene Rico, and Fermin C. Leguen
Author affiliations: Author affiliations: Florida Department of Health, Miami, Florida, USA (P. Mann); Miami-Dade County Health Department, Miami (E. O’Connell, G. Zhang, A. Llau, E. Rico, F.C. Leguen)

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Table

Influenza-like illnesses identified through an SBASS, Miami-Dade County, Florida, USA, September 8–October 21, 2009*

Week Dates No. red alerts No. yellow alerts No. warning alerts No. schools with outbreaks identified through SBASS No. ILI identified through SBASS
1 Sep 8–Sep 11 3 2 17 0 0
2 Sep 14–Sep 18 8 2 16 1 27
3 Sep 21–Sep 25 9 11 10 2 17
4 Sep 28–Oct 2 9 4 7 0 0
5 Oct 5–Oct 9 16 4 11 2 7
6 Oct 12–Oct 16 16 5 6 1 20
7
Oct 19–Oct 21
0
0
0
3
0
Total† Sep 8–Oct 21 61 28 67 9 71

*SBASS, school-based absentee surveillance system.
†3 d were excluded due to school closures. October 20–21, high schools were excluded for participation in Florida’s Comprehensive Assessment Test and only elementary schools were counted.

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