The Strongest Signal That Americans Should Worry About Flu This Winter
Sometime in the spring of 2020, after centuries, perhaps millennia, of tumultuous coexistence with humans, influenza abruptly went dark. Around the globe, documented cases of the viral infection completely cratered as the world tried to counteract SARS-CoV-2. This time last year, American experts began to fret that the flu’s unprecedented sabbatical was too bizarre to last: Perhaps the group of viruses that cause the disease would be poised for an epic comeback, slamming us with “a little more punch” than usual, Richard Webby, an influenza expert at St. Jude Children’s Research Hospital, in Tennessee, told me at the time.
But those fears did not not come to pass. Flu’s winter 2021 season in the Southern Hemisphere was once again eerily silent; in the north, cases sneaked up in December—only to peter out before a lackluster reprise in the spring.
Now, as the weather once again in the Southern Hemisphere, flu spent 2022 hopping across the planet’s lower half with more fervor than it’s had since the COVID crisis began. And of the three years of the pandemic that have played out so far, this one is previewing the strongest signs yet of a rough flu season ahead.
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