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Updated: Aug 22, 2026

Detection of Infectious Virus from Field-collected Mosquitoes by Vero Cell Culture Assay
07:23

Detection of Infectious Virus from Field-collected Mosquitoes by Vero Cell Culture Assay

Published on: June 9, 2011

West Nile virus activity--United States, August 18-24, 2004

    MMWR. Morbidity and Mortality Weekly Report
    |August 27, 2004
    PubMed

    Insights

    A total of 154 human West Nile virus (WNV) cases were reported across 18 US states during the week of August 18-24. This highlights the ongoing WNV surveillance and public health importance of monitoring mosquito-borne illnesses.

    Area of Science:

    • Public Health
    • Epidemiology
    • Infectious Diseases

    Background:

    • West Nile virus (WNV) is a mosquito-borne pathogen of significant public health concern.
    • Surveillance data is crucial for understanding WNV transmission dynamics and informing control strategies.

    Purpose of the Study:

    • To report the number and geographic distribution of human WNV cases during a specific surveillance period.
    • To provide timely data on WNV activity across the United States.

    Main Methods:

    • Weekly surveillance data collection from public health laboratories and healthcare providers.
    • Case reporting and confirmation according to established WNV case definitions.

    Main Results:

    • A total of 154 human WNV illness cases were reported.
    • Cases were reported from 18 states, including Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Kentucky, Minnesota, Mississippi, Missouri, Nevada, New Mexico, North Carolina, South Dakota, Tennessee, and Wisconsin.

    Conclusions:

    • The reported cases indicate ongoing WNV transmission across multiple states during the specified week.
    • Continued surveillance is essential for monitoring WNV activity and potential outbreaks.

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