Another study published in March, … found that 27% of 1,407 patients reported persistent symptoms after at least 60 days following a COVID-19 diagnosis, and nearly a third of them were asymptomatic at the time of initial testing. Researchers with the University of California–Irvine, University of Miami and elsewhere also found “a near normal distribution of age among long-haulers” and “a potential association with female sex” with the condition.
They got COVID-19. Months later, they’re still sick. Who are the COVID long-haulers?
U.S. News & World Report, March 16, 2021
March 16, 2021