Those symptoms corresponded with patients’ self-reporting of a lower quality of life and issues regarding cognition, anxiety, depression, and sleep. The patients also performed worse than expected on tests of processing speed, attention, executive function, and memory.
The consequences can be profound. “Cognition may be affected in a way that you can’t multitask the way you were multitasking before,” Koralnik says. “You can’t be, you know, a reporter because you can’t figure out all the different deadlines that you have. You can’t be a police officer or a nurse or a businessperson. So that affects people in their ability to keep their current job.” The Brookings Institution reported in August that between two million and four million Americans aren’t working because of the effects of long COVID. Says Nath: “Once you damage the brain, the societal consequences are enormous.”