https://www.nytimes.com/2021/01/21/magazine/covid-aftereffects.html
Feature
What If You Never Get Better From Covid-19?
Some patients could be living with the aftereffects for years to come. Recent research into another persistent, mysterious disease might help us understand how to treat them.
By Moises Velasquez-Manoff
Jan. 21, 2021
“…Chen estimates that about 10 percent of Covid-19 patients end up developing symptoms that persist for months and months… Some surveys suggest the number is higher.”