This winter’s mild flu season has faded to a trickle of cases in much of the U.S., but health officials say they are not ready to call it over
FILE - A man receives a flu shot in Brattleboro, Vt., on Tuesday, Oct. 26, 2021. This winter's mild flu season has faded to a trickle of cases in much of the U.S., according to data released by the Centers for Disease Control and Prevention in February 2022, but health officials are not ready to call it over. NEW YORK — — This winter's mild flu season has faded to a trickle of cases in much of the U.S., but health officials aren't ready to call it over.
Indeed, some indicators of flu activity have inched up the last couple of weeks: a count of flu-related hospitalizations and the percent of specimens from patients with respiratory illnesses that test positive for flu. It seems like the current flu season is “easing to the finish line,” said Dr. William Schaffner, a Vanderbilt University infectious diseases expert. But viruses can be unpredictable.
The worry seemed to be legitimized by an early November flu outbreak at the University of Michigan in Ann Arbor, where more than 700 cases were reported. The illnesses were caused by a certain version of flu — called Type A H3N2 — that traditionally leads to more hospitalizations and deaths, particularly among the elderly. Worse, many of the infected kids were vaccinated, and investigators concluded the shots offered low levels of protection.
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