Flu activity has been higher in the U.S. for 9 weeks. Flu seasons typically last 16 to 20 weeks, putting the nation at the halfway point of its feverish and aching misery.
From: https://www.webmd.com/cold-and-flu/news/20180126/worst-flu-season-since-2009-hitting-boomers-hard?src=RSS_PUBLIC
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