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Weekly Flu Report, April 10, 2020

Massachusetts Department of Public Health weekly influenza update

Table of Contents

This week's report

View the weekly flu report.


    • Influenza severity for Massachusetts is low this week as influenza-related hospitalizations and influenza positive test results continue to decrease.
    • The percentage of influenza-like illness visits for Massachusetts is elevated and remains higher than the previous two years in the same week. COVID-19 related activity, as well as increased healthcare-seeking behavior for respiratory illness, contributes to the increase in overall ILI trends in recent weeks.
    • Overall influenza-like illness activity for Massachusetts remains high this week. Southeast region is reporting moderate ILI activity, all other regions are reporting high ILI activity.
    • The percent of influenza-associated hospitalizations in Massachusetts decreased compared to last week.
    • In the 2019-2020 flu season, more influenza B than influenza A positive specimens have been reported by hospitals and outpatient facilities in Massachusetts.
    • The number of influenza positive laboratory tests reported to MDPH decreased this week by 86% compared to last week. The number of influenza A and influenza B positive laboratory tests reported to MDPH decreased by 86% and 84%, respectively, compared to last week.
    • All influenza strains that have been characterized in Massachusetts this season to date are covered by the current influenza vaccine.
    • Nationally, laboratory confirmed flu activity as reported by clinical laboratories continues to decrease and is now low. Influenza-like illness activity remains elevated as people are seeking care for respiratory illness due to the ongoing COVID-19 pandemic. Influenza A viruses are now the most commonly reported influenza viruses this season.
    • Additional statewide and national data including geographic spread, ILI activity, and pneumonia and influenza mortality are available at CDC’s FluView Weekly Report at and FluView Interactive
    • For the most up to date information on COVID-19 please visit


    Weekly Flu Report April 10, 2020

Additional Resources

Date published: April 10, 2020
Last updated: April 10, 2020