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Updated: Sep 26, 2026

Rapid Molecular Detection and Differentiation of Influenza Viruses A and B
05:38

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Published on: January 30, 2017

Update: Influenza activity--United States, 2002-03 season

    MMWR. Morbidity and Mortality Weekly Report
    |April 1, 2003
    PubMed

    Insights

    This summary covers U.S. influenza activity from late 2002 to early 2003. Overall mild flu seasons were observed, with national activity peaking in February 2003.

    Area of Science:

    • Epidemiology
    • Public Health

    Background:

    • Influenza surveillance is crucial for monitoring seasonal and pandemic threats.
    • Understanding regional variations in influenza activity informs public health interventions.

    Purpose of the Study:

    • To summarize and update influenza activity in the United States for the 2002-2003 season.
    • To report on the timing of peak influenza activity.

    Main Methods:

    • Utilized data from the Centers for Disease Control and Prevention (CDC) influenza surveillance system.
    • Analyzed four key components of the surveillance system for comprehensive reporting.

    Main Results:

    • Influenza activity in the U.S. was generally mild during the 2002-2003 season.
    • Significant regional variations in influenza activity were noted across the country.
    • National influenza activity reached its peak during the week ending February 8, 2003.

    Conclusions:

    • The 2002-2003 influenza season was characterized by mild overall activity with regional differences.
    • The peak of national influenza activity occurred in early February 2003, based on surveillance data.

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