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    Infectious Disease Control Unit
    Mail Code: 1960
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite T801
    Austin, TX 78714

    Phone: 512 776 7676
    Fax: (512) 776-7616


    E-mail

2002 - 2003 Texas Influenza Surveillance Information

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Surveillance

Influenza Influenza
(Flu)
ICD-9 487; ICD-10 J10,11
Related Topics: Protecting Yourself During the Cold and Flu Season, Avian Flu, Vaccine Preventable Diseases, Asthma and SARS

Surveillance of the 2002-2003 influenza season in Texas began September 29, 2002 and will be reported weekly to The Centers for Disease Control and Prevention (CDC) through May 17, 2003. Many sources of information are used to determine the level of the state's influenza activity. The Texas Department of State Health Services's Infectious Disease Epidemiology and Surveillance division in cooperation with the DSHS Medical Virology Branch and the Baylor College of Medicine monitor influenza around the state. Additionally, other laboratories, regional and local health departments, facilities participating in influenza research, the CDC Sentinel Physician Surveillance Network, and private physicians participate in flu surveillance.

The first influenza identified in the state was the B/Hong Kong/330/2001-like virus, collected 11/1/02 in San Antonio. As of 5/31/03, the last influenza isolate identified was the A/Panama/2007/99 (H3N2)-like virus, collected 5/23/03 in Amarillo. The overall dominant strain identified in Texas was the flu B/Hong Kong-like virus. Because of school-aged children's susceptibility to this strain, flu B had a significant and unique impact this season. Initial reports of children with influenza-like illness (ILI) causing school closures began early in the season in northeast Texas and continued throughout the state the rest of the season. The number of school closures due to children with ILI was unprecedented and involved over 90 school district/campus closures in 68 counties. The last reported closure was in early March. Influenza A also circulated this season as expected. The dominant flu A strain identified was the A/New Caledonia/20/99 (H1N1)-like virus. The other flu A strain was the A/Panama/2007/99 (H3N2)-like virus, which was identified more often after late February. Influenza activity peaked the last week of January 2003. From 9/29/02 to 5/31/03, influenza has been identified in 77 counties throughout Texas.

The types of influenza identified in Texas this season were:
A/New Caledonia/20/99 (H1N1)-like, A/Panama/2007/99 (H3N2)-like, B/Hong Kong/330/2001-like, and B/Sichuan/379/99-like viruses. All of these strains, except B/Sichuan, were a good match for this season's flu vaccine. Only one isolate of B/Sichuan-like virus was identified.


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Texas Influenza Activity


TEXAS COUNTY FLU/SCHOOL CLOSURE LIST 9/29/02 TO 5/31/03
FLU TYPE = A, B, BOTH A&B, NOT DIFFERENTIATED (ND)*, NOT REPORTED (NR)
COUNTY FLU TYPE  SCHOOL CLOSURE
ANDERSON ND YES
ANDREWS NR NO
ANGELINA NR YES
ARANSAS NR NO
ARCHER NR YES
ARMSTRONG NR NO
ATASCOSA B NO
AUSTIN NR NO
BAILEY NR NO
BANDERA B NO
BASTROP B NO
BAYLOR NR NO
BEE A NO
BELL BOTH YES
BEXAR BOTH NO
BLANCO B YES
BORDEN NR NO
BOSQUE A NO
BOWIE BOTH NO
BRAZORIA NR NO
BRAZOS BOTH YES
BREWSTER NR NO
BRISCOE NR NO
BROOKS NR NO
BROWN NR NO
BURLESON NR YES
BURNET NR NO
CALDWELL NR NO
CALHOUN NR NO
CALLAHAN NR NO
CAMERON A NO
CAMP NR YES
CARSON NR NO
CASS A YES
CASTRO ND NO
CHAMBERS NR NO
CHEROKEE A NO
CHILDRESS B NO
CLAY NR YES
COCHRAN NR NO
COKE NR NO
COLEMAN NR NO
COLLIN BOTH YES
COLLINGSWORTH NR NO
COLORADO NR NO
COMAL ND NO
COMANCHE NR YES
CONCHO NR NO
COOKE NR YES
CORYELL NR NO
COTTLE NR NO
CRANE NR YES
CROCKETT NR NO
CROSBY ND NO
CULBERSON NR NO
DALLAM B NO
DALLAS BOTH NO
DAWSON NR YES
DEAF SMITH A NO
DELTA NR YES
DENTON B YES
DEWITT NR NO
DICKENS NR NO
DIMMIT NR NO
DONLEY ND NO
DUVAL NR NO
EASTLAND NR YES
ECTOR A NO
EDWARDS NR NO
ELLIS ND NO
EL PASO BOTH NO
ERATH NR YES
FALLS NR YES
FANNIN NR YES
FAYETTE A YES
FISHER NR NO
FLOYD NR NO
FOARD NR NO
FORT BEND NR NO
FRANKLIN NR NO
FREESTONE NR YES
FRIO NR NO
GAINES NR NO
GALVESTON BOTH NO
GARZA NR NO
GILLESPIE NR NO
GLASSCOCK NR NO
GOLIAD ND NO
GONZALES ND NO
GRAY A NO
GRAYSON NR NO
GREGG A NO
GRIMES NR YES
GUADALUPE NR NO
HALE NR NO
HALL NR NO
HAMILTON NR NO
HANSFORD B YES
HARDEMAN NR NO
HARDIN NR NO
HARRIS BOTH NO
HARRISON A NO
HARTLEY NR NO
HASKELL NR NO
HAYS B NO
HEMPHILL B YES
HENDERSON NR YES
HIDALGO A NO
HILL A YES
HOCKLEY NR NO
HOOD NR YES
HOPKINS NR YES
HOUSTON NR NO
HOWARD B YES
HUDSPETH NR NO
HUNT NR YES
HUTCHINSON NR NO
IRION NR NO
JACK NR YES
JACKSON NR NO
JASPER NR NO
JEFF DAVIS NR NO
JEFFERSON B NO
JIM HOGG NR NO
JIM WELLS NR NO
JOHNSON NR YES
JONES NR NO
KARNES NR NO
KAUFMAN A NO
KENDALL B NO
KENEDY NR NO
KENT NR NO
KERR B NO
KIMBLE NR NO
KING NR NO
KINNEY NR NO
KLEBERG NR NO
KNOX NR NO
LAMAR NR NO
LAMB NR NO
LAMPASAS NR NO
LA SALLE NR NO
LAVACA BOTH NO
LEE A YES
LEON NR YES
LIBERTY NR YES
LIMESTONE NR YES
LIPSCOMB NR YES
LIVE OAK NR NO
LLANO NR NO
LOVING NR NO
LUBBOCK BOTH NO
LYNN NR NO
MCCULLOCH NR NO
MCLENNAN BOTH YES
MCMULLEN NR NO
MADISON NR NO
MARION NR YES
MARTIN B YES
MASON NR NO
MATAGORDA NR NO
MAVERICK NR NO
MEDINA NR NO
MENARD NR NO
MIDLAND ND NO
MILAM B YES
MILLS NR NO
MITCHELL NR YES
MONTAGUE B YES
MONTGOMERY A NO
MOORE B NO
MORRIS NR YES
MOTLEY NR NO
NACOGDOCHES NR YES
NAVARRO NR YES
NEWTON NR NO
NOLAN B YES
NUECES BOTH NO
OCHILTREE NR NO
OLDHAM NR NO
ORANGE NR NO
PALO PINTO NR YES
PANOLA NR NO
PARKER NR NO
PARMER BOTH YES
PECOS ND NO
POLK ND NO
POTTER BOTH NO
PRESIDIO B NO
RAINS NR YES
RANDALL NR NO
REAGAN NR NO
REAL NR NO
RED RIVER NR YES
REEVES NR NO
REFUGIO NR NO
ROBERTS NR NO
ROBERTSON BOTH YES
ROCKWALL BOTH NO
RUNNELS NR NO
RUSK NR YES
SABINE NR NO
SAN AUGUSTINE NR NO
SAN JACINTO BOTH NO
SAN PATRICIO NR NO
SAN SABA NR NO
SCHLEICHER NR NO
SCURRY NR YES
SHACKELFORD NR NO
SHELBY NR YES
SHERMAN NR NO
SMITH BOTH YES
SOMERVELL NR NO
STARR NR NO
STEPHENS NR NO
STERLING NR NO
STONEWALL NR NO
SUTTON NR NO
SWISHER NR NO
TARRANT BOTH NO
TAYLOR NR NO
TERRELL NR NO
TERRY ND NO
THROCKMORTON NR NO
TITUS NR YES
TOM GREEN NR NO
TRAVIS BOTH NO
TRINITY NR NO
TYLER NR NO
UPSHUR NR YES
UPTON NR NO
UVALDE NR NO
VAL VERDE NR NO
VAN ZANDT NR YES
VICTORIA NR NO
WALKER NR NO
WALLER NR NO
WARD B YES
WASHINGTON NR YES
WEBB B NO
WHARTON ND NO
WHEELER NR NO
WICHITA BOTH NO
WILBARGER NR YES
WILLACY NR NO
WILLIAMSON BOTH YES
WILSON B NO
WINKLER B NO
WISE B YES
WOOD NR YES
YOAKUM NR YES
YOUNG NR NO
ZAPATA NR NO
ZAVALA NR NO

 

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Last updated July 12, 2012