For millions of people, COVID-19 doesn’t end with a negative test. Weeks or months after traces of the virus disappear from noses and throats, symptoms can persist or come back. New ones might pop up and stick around for months. People suffering from long COVID are unwillingly in it for the long haul — and it’s still unclear who’s at the highest risk for the condition.
Researchers don’t yet have an official definition for long COVID, and its symptoms are wide-ranging (SN: 7/29/22). Some people struggle with extreme fatigue that interferes with their daily lives. Others can’t concentrate or struggle with memory amid thick brain fog. Still others
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