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Communicable Disease Control

North Carolina Influenza Sentinel Surveillance Program
Final Summary Report for 2004-2005 Flu Season

May 20, 2005

I. Influenza-Like Illnesses Reported by N.C. Sentinel Sites
Week
Number		 Ending Number
ILI		 Patient
Visits		 Percent
ILI
40 10/9/2004 65 13,829 0.47%
41 10/16/2004 55 14,800 0.37%
42 10/23/2004 66 16,446 0.40%
43 10/30/2004 70 17,378 0.40%
44 11/6/2004 96 15,828 0.60%
45 11/13/2004 60 17,145 0.34%
46 11/20/2004 69 16,499 0.41%
47 11/27/2004 40 11,383 0.35%
48 12/4/2004 76 14,810 0.51%
49 12/11/2004 65 14,627 0.44%
50 12/18/2004 64 12,163 0.52%
51 12/25/2004 44 7,659 0.57%
52 1/1/2005 74 7,717 0.95%
01 1/8/2005 126 14,076 0.89%
02 1/15/2005 93 15,665 0.59%
03 1/22/2005 82 14,421 0.56%
04 1/29/2005 141 17,588 0.80%
05 2/5/2005 338 17,973 1.88%
06 2/12/2005 517 19,018 2.71%
07 2/19/2005 448 16,515 2.71%
08 2/26/2005 345 17,344 1.98%
09 3/5/2005 312 15,555 2.00%
10 3/12/2005 273 12,715 2.14%
11 3/19/2005 196 13,919 1.40%
12 3/26/2005 205 12,845 1.59%
13 4/02/2005 109 12,153 0.89%
14 4/09/2005 58 10,303 0.56%
15 4/16/2005 43 9,959 0.43%
16 4/23/2005 17 9,253 0.18%
17 4/30/2005 10 8,309 0.12%
18 5/7/2005 3 4,899 0.06%
19 5/14/2005 2 3,606 0.05%

Percentage of Visits for Influenza-like Illness
Reported by Sentinel Providers
North Carolina, 2004-2005(Red Line)
With Comparative 2003-2004 Data(Blue Line)
and Comparative 2002-2003 Data(Yellow Line)
Graph illustrating the percentage of visits for ILI


II. Influenza Virus Isolates Identified
by the State Laboratory of Public Health
During the 2004-2005 Influenza Season
TOTAL ISOLATES IDENTIFIED A/H1 0
A/H3 202
B 41
Total 243



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[ North Carolina Department of Health and Human Services ]

Page last updated on October 28, 2005