This week's report
View the current weekly flu report.
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 has declined over recent weeks, but remains elevated.
- Geographic spread is widespread: ILI activity remains elevated in all regions of Massachusetts except the Southeast and West. Influenza laboratory confirmations remain elevated in all regions of the state.
- Influenza-associated hospitalizations in Massachusetts have gradually declined since February but remain elevated, consistent with activity levels normally seen at this time of year.
- The number of influenza positive laboratory tests reported to MDPH decreased this week by 44.8% compared to last week.
- For the 2018-2019 season to date, the predominant influenza strain is A/2009 H1N1; however, over recent weeks influenza strain A/H3N2 has become more common than the A/2009 H1N1 strain, and Influenza B has also increased.
- 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 is decreasing, consistent with normal levels of activity at this time of year.
- Additional data are available upon request and at www.cdc.gov/flu/weekly.
|Date published:||May 3, 2019|