Why this season's flu cases are unusual

Flu Cases Are Surging—Here’s Why This Season Is So Unusual Flu activity is high to very high in 43 states as of early February. Ed Cara Gizmodo

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During the early years of the covid-19 pandemic, the flu and many other communicable diseases did become much less common (at least partly due to social distancing practices intended to slow down covid-19). But more recently, as people have returned to their normal social lives, these diseases have returned with a vengeance.

This winter’s flu season is a bit stranger than most, however. For starters, there now appear to have been two major peaks of illness: One from late December to early January, and another spike in recent weeks.  ...