Outbreak Outlook - April 12
Force of Infection
April 12, 2026
Force of Infection is now on the summer schedule, meaning national Outbreak Outlook updates are only available to paid subscribers. The winter schedule, including the free national version, will resume in October. To continue receiving reports during the summer, please upgrade to paid.
Influenza-like illness
Influenza season is continuing to decline. Outpatient influenza-like illness has fallen to 2.4%, down from around 3.7% one month ago. In a typical year, levels reach the 1-1.5% range in mid-summer.
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