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A Luciferase-fluorescent Reporter Influenza Virus for Live Imaging and Quantification of Viral Infection
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Update: influenza activity--United States and worldwide, May 20-September 15, 2007

    MMWR. Morbidity and Mortality Weekly Report
    |September 28, 2007
    PubMed

    Insights

    Influenza A (H1, H3) and B viruses circulated globally in 2007, with sporadic cases in the US. This report details worldwide and US influenza activity during this period.

    Area of Science:

    • Virology
    • Epidemiology
    • Public Health

    Background:

    • Influenza viruses, including Influenza A subtypes (H1N1, H3N2) and Influenza B, are significant global public health concerns.
    • Co-circulation of multiple influenza strains necessitates ongoing surveillance to understand transmission dynamics and inform public health interventions.

    Purpose of the Study:

    • To summarize global and United States influenza activity.
    • To report on the co-circulation of influenza A (H1), influenza A (H3), and influenza B viruses.

    Main Methods:

    • Surveillance data from the United States and global sources were collected and analyzed.
    • Viral identification and characterization methods were employed to track influenza strains.

    Main Results:

    • Influenza A (H1), influenza A (H3), and influenza B viruses were identified circulating worldwide.
    • Sporadic cases of these influenza viruses were detected within the United States during the specified period.

    Conclusions:

    • The co-circulation of multiple influenza virus types and subtypes requires continuous monitoring.
    • Understanding influenza activity patterns is crucial for effective public health preparedness and response.

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