Highlights from this week?s report:
? There is still time to get a flu shot to ensure you are protected as flu activity continues.
? Influenza-like illness activity in Massachusetts remains high this week and is consistent with activity
levels normally seen at this time of year
? Geographic spread is widespread: ILI activity and influenza laboratory confirmations are increased in
all regions of the state.
? Influenza-associated hospitalizations in Massachusetts remain elevated this week and are consistent
with activity levels normally seen at this time of year.
? The number of influenza positive laboratory tests reported to MDPH increased this week by 17.2%
compared to last week.
? For the 2018-2019 season to date, the predominant influenza strain is A/2009 H1N1; this may
fluctuate as the season continues.
? All influenza strains that have been characterized in Massachusetts this season to date are covered
by the current influenza vaccine.
? No resistance to antiviral medications has been detected this season.
? Nationally, flu activity remains high, consistent with normal levels of activity at this time of year.
? Additional data are available upon request and at
www.cdc.gov/flu/weekly.

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https://www.mass.gov/files/documents/2019/02/22/Weekly Flu Report 2-22-2019.pdf