Flu | Week 17 Activity Report 2005-6

Week 17

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2005-2006 Texas Influenza Surveillance Information

2005-2006 Season Summary

The flu activity level for the week ending April 29, 2006 remains sporadic. Very limited flu activity was reported in all regions of the state.

Reports were received from 10 of the 11 Health Service Regions (HSRs) for week 17. None of the HSRs reported an increase in flu activity. A decrease in flu activity was reported in HSRs 1, 2/3, 6/5S, 8, and 9/10. Activity remained about the same in HSRs 4/5N and 11. HSR 7 did not report. For a map of Health Service Regions, please visit the following website:

Texas Health Service Regions Map

During week 17, no culture confirmed influenza A was identified in the state.

Culture confirmed influenza B (Hong Kong) was identified in a 30 year-old resident of Travis County from a specimen collected on April 25th.

No institutional outbreaks or school closures were reported.

For more information on flu surveillance activities in the State of Texas, please visit the following website:

http://www.dshs.state.tx.us/IDCU/disease/influenza/surveillance/Surveillance.aspx

Data from the Sentinel Provider Surveillance Network (SPSN) shows a higher percentage of ILI in recent weeks (up from week 15); however, fewer providers have reported, indicating that ILI overall has declined.

Percentage of Visits for Influenza-Like-Illness (ILI) Reported by Sentinel Providers in Texas as of 5/4/2006
Week	# Reporting	Age 0-4	Age 5-24	Age 25-64	Age over 64	Total ILI	Total Patients	% ILI
2005-40	32	49	82	49	2	182	14185	1.28
2005-41	27	55	96	48	4	203	11750	1.72
2005-42	27	67	87	62	4	220	13843	1.58
2005-43	27	67	101	60	2	230	13785	1.66
2005-44	27	72	125	37	5	239	11601	2.06
2005-45	33	68	124	93	13	298	11436	2.60
2005-46	37	102	142	117	18	379	13824	2.74
2005-47	35	95	119	93	6	313	10897	2.87
2005-48	43	144	163	128	9	444	15657	2.83
2005-49	39	118	181	116	3	418	12894	3.24
2005-50	45	160	268	190	13	631	14410	4.37
2005-51	44	146	149	61	7	363	7797	4.65
2005-52	39	219	232	363	29	843	10140	8.31
2006-01	40	177	201	297	46	721	11399	6.32
2006-02	55	229	359	269	36	893	15487	5.76
2006-03	47	297	399	287	28	1011	13520	7.47
2006-04	69	331	489	307	42	1169	18518	6.31
2006-05	64	282	420	265	44	1011	17853	5.66
2006-06	67	278	375	230	27	910	18375	4.95
2006-07	62	239	358	207	33	837	18270	4.58
2006-08	67	261	426	238	38	963	18767	5.13
2006-09	65	210	389	182	21	802	18329	4.37
2006-10	66	186	314	188	65	753	17774	4.23
2006-11	66	174	229	162	33	598	13943	4.28
2006-12	67	153	285	154	35	627	15188	4.12
2006-13	66	148	387	160	33	728	15943	4.56
2006-14	66	203	419	140	26	788	15827	4.97
2006-15	68	153	363	108	18	642	18536	3.46
2006-16	50	125	229	85	12	451	11894	3.79
2006-17	45	93	194	89	15	391	10220	3.82

Percentage of Physician Visits Due to Influenza-Like Illness
Texas Sentinel Providers Surveillance Network
2005-2006 Season

Percentage of Physician Visits Due to Influenza-Like Illness, Texas Sentinel Providers Surveillance Network 2005-2006 Season

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Statewide Influenza Activity For the Week Ending April 29, 2006 (MMWR Week 17)

Statewide Influenza Activity

*Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks’ activity.

2005-2006 Texas Influenza Surveillance Information - Flu Reports

For the week ending:
10/15/05, 10/22/05, 10/29/05, 11/05/05, 11/12/05, 11/19/05, 11/26/05, 12/10/05, 12/17/05, 12/24/05, 01/07/06, 01/14/06, 01/21/06, 01/28/06, 02/04/06, 02/11/06, 02/18/06, 02/25/06, 03/04/06, 03/11/06, 03/18/06, 03/26/06, 04/01/06, 04/08/06, 04/15/06, 04/22/06, 05/19/06, 05/20/06 05/12/06,