Influenza Surveillance Data 2005-06

This page was last updated 10/05/2006.

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Statewide Temporal Trend of Influenza-Like Illness
Weekly Influenza-Like Illness Totals
Influenza Activity
Type of Influenza Isolates Confirmed
Sentinel Provider Data
FAQs, Protocol, Form
West Virginia Immunization Program
National Immunization Program

Influenza-like Illness Weekly Reporting Form (PDF, 68kb) or (RTF, 26kb)
(for Local Health Department use only!) (requires Adobe Acrobat 3.0 or greater)

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Statewide Temporal Trend of Influenza-Like Illness by MMWR Week
(2000-2001, 2001-2002, 2002-2003, 2003-2004, 2004-2005, and 2005-2006 Seasons)

The figure below displays the number of influenza-like illness cases reported during the 2000-2001, 2001-2002, 2002-2003, 2003-2004, 2004-2005 and 2005-2006 influenza seasons. Influenza-like Illness is defined as fever > 100 degrees F AND cough and/or sore throat.

Graph showing the statewide temporal trend of influenza-like illness by MMWR Week

All counties can view the weekly total number of influenza-like illness cases reported by the local health department by selecting a year below (requires Adobe Acrobat 3.0 or greater):

Weekly influenza-like illness totals for: 2000 |  2001 |  2002-2003 |  2003-2004 |  2004-2005 |  2005-2006

Influenza Activity in West Virginia, 2005-2006 flu season

Graph showing weekly influenza activity in West Virginia

Sporadic: Isolated cases of lab confirmed influenza in the state; Influenza-Like-Illness (ILI) activity is not increased. Or a lab confirmed outbreak in a single institution (nursing home, hospital, prison, school, etc) in the state; ILI activity is not increased.

Local: Increased ILI within a single region and recent (within the past 3 weeks) laboratory evidence of influenza in that region. ILI activity in other regions is not increased. Or two or more institutional outbreaks (ILI or lab confirmed) within a single region and recent (within the past 3 weeks) lab confirmed influenza in that region. Other regions do not have increased ILI and virus activity is no greater than sporadic in those regions.

Regional: Increased ILI in ≥ 2 but less than half of the regions and recent (within the past 3 weeks) lab confirmed influenza in the affected regions. Or institutional outbreaks (ILI or lab confirmed) in ≥ 2 and less than half of the regions and recent (within the past 3 weeks) lab confirmed influenza in the affected regions.

Widespread: Increased ILI and/or institutional outbreaks (ILI or lab confirmed) in at least half of the regions and recent (within the past 3 weeks) lab confirmed influenza in the state.

WV Surveillance Regions


Type (A or B) of Influenza and MMWR Week of Occurrence

The figure below displays the number of influenza-like illness cases reported during the 2005-2006 influenza season, along with the number of laboratory confirmed influenza cases (type A and type B).

Graph showing the number of influenza-like illness cases reported during the 2005, 2006 influenza season, along with the number of laboratory confirmed influenza cases (type A and type B).

West Virginia Sentinel Provider Data, 2005-2006 Season

The map below shows West Virginia counties that have enrolled influenza sentinel providers for the 2005-2006 season.

Map showing West Virginia counties that have enrolled influenza Sentinel providers for the 2005, 2006 season

The figure below demonstrates the percent of visits for influenza-like illness (ILI) reported by West Virginia sentinel providers during the 2005-2006 influenza season.

Graph showing the percent of visists for influenza-like illness reported by West Virginia Sentinel providers during the 2005, 2006 influenza season


FAQs, Protocol, and Reporting Form

This page was last updated 10/05/2006.