New York State Department of Health 2009-2010 Flu Monitoring

All Positive Flu Reports for week ending 11/21/09

Flu A Flu B Flu, type unknown
3139 22 14

All Positive Flu Reports (season to date, by week)

Week ending Flu A Flu B Flu, type unknown
September 5 38 2 0
September 12 60 5 0
September 19 86 5 3
September 26 116 11 1
October 3 146 11 0
October 10 276 5 7
October 17 527 6 5
October 24 1776 17 5
October 31 3615 9 18
November 7 3751 18 21
November 14 4100 11 18
November 21 3139 22 14

Subtypes Tested at Wadsworth Center for week ending 11/21/09

Influenza A Influenza B Influenza, type unknown H1N1
1 0 0 43

Percent of Visits to Sentinel Providers in NYS (Outside of NYC) for Flu-like Illness (season to date, by week)

Week ending New York State Regional Baseline
2008-2009 Season 2009-2010 Season
August 29 N/A 0.93% 2.90%
September 5 N/A 3.90%
September 12 N/A 7.31%
September 19 N/A 4.84%
September 26 N/A 3.33%
October 3 0.56% 2.33% 2.30%
October 10 1.02% 1.44%
October 17 0.76% 3.32%
October 24 0.69% 6.76%
October 31 0.71% 8.72%
November 7 0.87% 10.55%
November 14 0.62% 6.07%

Flu-like Illness in NYS Hospital Emergency Departments as Percentage of Total Emergency Department Visits, by Region (year to date)

Week Ending Region
Central Hudson Valley Long Island Capital & Northeast Buffalo & Rochester
Jan 10 2009 4.4% 4.8% 5.9% 4.2% 4.1%
Jan 17 2009 4.3% 4.8% 5.9% 4.3% 4.0%
Jan 24 2009 4.5% 5.7% 6.3% 4.5% 4.4%
Jan 31 2009 5.4% 6.4% 7.7% 5.0% 4.9%
Feb 07 2009 5.6% 7.1% 8.1% 5.2% 5.3%
Feb 14 2009 6.3% 8.4% 8.6% 5.7% 5.8%
Feb 21 2009 6.9% 8.0% 8.0% 6.7% 6.5%
Feb 28 2009 7.4% 6.9% 6.7% 6.0% 5.8%
Mar 07 2009 9.0% 6.7% 6.1% 6.2% 7.0%
Mar 14 2009 8.6% 6.0% 5.6% 6.4% 7.5%
Mar 21 2009 8.8% 5.7% 5.3% 6.2% 7.1%
Mar 28 2009 8.1% 5.4% 5.6% 6.4% 6.5%
Apr 04 2009 7.5% 4.8% 5.4% 5.7% 5.8%
Apr 11 2009 6.1% 4.8% 5.3% 4.9% 5.1%
Apr 18 2009 5.8% 4.5% 5.0% 4.8% 4.8%
Apr 25 2009 5.0% 4.5% 4.6% 4.3% 4.1%
May 02 2009 7.1% 9.0% 9.8% 6.1% 6.1%
May 09 2009 7.0% 7.6% 7.5% 5.9% 5.4%
May 16 2009 5.5% 6.9% 7.7% 4.8% 4.8%
May 23 2009 5.9% 11.3% 13.5% 5.5% 4.9%
May 30 2009 6.0% 13.4% 14.7% 5.3% 4.8%
Jun 06 2009 6.4% 14.0% 13.3% 5.5% 5.2%
Jun 13 2009 7.2% 13.6% 12.9% 6.2% 6.8%
Jun 20 2009 7.5% 12.2% 11.7% 6.4% 8.5%
Jun 27 2009 6.3% 10.0% 9.5% 6.6% 10.9%
Jul 04 2009 5.5% 7.4% 7.3% 5.0% 7.8%
Jul 11 2009 5.0% 5.9% 5.9% 4.8% 5.6%
Jul 18 2009 4.3% 5.1% 4.9% 4.0% 4.7%
Jul 25 2009 4.3% 5.0% 5.0% 3.9% 4.4%
Aug 01 2009 4.6% 4.7% 4.7% 4.1% 4.2%
Aug 08 2009 4.1% 4.6% 5.0% 3.7% 4.0%
Aug 15 2009 4.7% 4.8% 4.8% 3.6% 3.8%
Aug 22 2009 4.5% 4.9% 4.5% 3.7% 3.8%
Aug 29 2009 4.9% 5.0% 4.8% 4.2% 3.9%
Sep 05 2009 4.7% 4.9% 4.7% 4.0% 4.1%
Sep 12 2009 5.4% 5.0% 4.9% 4.6% 4.7%
Sep 19 2009 6.4% 5.3% 4.8% 4.7% 5.2%
Sep 26 2009 7.1% 5.2% 4.9% 5.3% 5.5%
Oct 03 2009 7.3% 4.8% 5.0% 5.8% 5.5%
Oct 10 2009 7.7% 4.8% 4.8% 5.9% 6.2%
Oct 17 2009 9.0% 5.5% 5.1% 7.3% 8.7%
Oct 24 2009 14.1% 6.9% 6.1% 12.6% 14.4%
Oct 31 2009 17.7% 8.1% 7.8% 19.6% 18.0%
Nov 07 2009 18.5% 10.0% 9.2% 19.8% 17.4%
Nov 14 2009 15.0% 11.1% 11.4% 14.3% 13.5%
Nov 21 2009 11.7% 9.9% 10.8% 10.9% 11.2%

Flu-like Illness in NYS Hospital Emergency Departments as Percentage of Total Emergency Department Visits, by Region (3 month snapshot)

Week Ending Region
Central Hudson Valley Long Island Capital & Northeast Buffalo & Rochester
Aug 29 2009 4.9% 5.0% 4.8% 4.2% 3.9%
Sep 05 2009 4.7% 4.9% 4.7% 4.0% 4.1%
Sep 12 2009 5.4% 5.0% 4.9% 4.6% 4.7%
Sep 19 2009 6.4% 5.3% 4.8% 4.7% 5.2%
Sep 26 2009 7.1% 5.2% 4.9% 5.3% 5.5%
Oct 03 2009 7.3% 4.8% 5.0% 5.8% 5.5%
Oct 10 2009 7.7% 4.8% 4.8% 5.9% 6.2%
Oct 17 2009 9.0% 5.5% 5.1% 7.3% 8.7%
Oct 24 2009 14.1% 6.9% 6.1% 12.6% 14.4%
Oct 31 2009 17.7% 8.1% 7.8% 19.6% 18.0%
Nov 07 2009 18.5% 10.0% 9.2% 19.8% 17.4%
Nov 14 2009 15.0% 11.1% 11.4% 14.3% 13.5%
Nov 21 2009 11.7% 9.9% 10.8% 10.9% 11.2%

Age Groups for Hospitalized Flu Patients for week ending 11/21/09

0-4 Years 5-18 Years 19-24 Years 25-49 Years 50-64 Years 65+ Years
113 121 52 134 97 39

Hospitalized Flu Patients, Current and Prior Flu Seasons

Note: Routine influenza surveillance during prior seasons started with week 40 and ended with week 20.

Week 2006-2007 2007-2008 2008-2009 2009-2010
34       16
35       19
36       22
37       28
38       43
39       87
40 1 0 2 96
41 4 1 1 149
42 4 1 0 313
43 5 5 4 489
44 5 10 11 504
45 9 2 3 556
46 6 7 12  
47 5 6 11  
48 16 9 11  
49 4 8 16  
50 9 5 13  
51 12 15 23  
52 24 28 22  
53 25 28 38  
1 25 27 51  
2 17 41 54  
3 24 56 65  
4 36 105 98  
5 59 148 128  
6 77 238 186  
7 78 303 155  
8 95 443 93  
9 101 432 105  
10 89 390 112  
11 121 328 100  
12 122 253 108  
13 126 221 86  
14 71 126 54  
15 54 83 32  
16 42 54 62  
17 30 28 107  
18 12 0 89  
19 14 0 140  
20 5 0 431  
21     616  
22     612  
23     447  
24     428  
25     219  
26     145  
27     57  
28     44  
29     19  
30     19  
31     8  
32     14  
33     10  
Total 1,302 3,395 5,061 2,322

Age Groups for Hospitalized Flu Patients at Sentinel Hospitals, 10/1/09 - 11/21/09

Age Group Count Percentage
0-4 35 20.1%
5-19 84 48.3%
19-24 12 6.9%
25-49 19 10.9%
50-64 20 11.5%
65+ 4 2.3%

Pediatric Flu Deaths - Statewide (season to date, by month)

Season October November December January February March April May June July August September Total for the Season Age Range
2006-2007 0 0 0 1 3 4 1 0 0 0 0 0 9 2 months - 12 years
2007-2008 0 0 0 1 4 3 0 0 0 0 0 0 8 7 months - 7 years
2008-2009 0 0 0 1 3 3 0 2 5 3 0 0 17 2 months - 15 years
2009-2010 2 7 0 0 0 0 0 0 0 0 0 0 9 < 1 month - 16 years