The questions of long COVID

Healthcare staff attend to Covid-19 patients one of the largest COVID-19 facilities in New Delhi.
Healthcare staff attend to COVID-19 patients one of the largest COVID-19 facilities in New Delhi with more than 1,500 beds and 500 beds. In the last week India has recorded 2.74 million cases and more than 26,000 deaths. Credit: Naveen Sharma / SOPA Images/LightRocket / Getty Images

Many mysteries remain around those who don’t quite recover from COVID-19.

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