Posts Exaggerate Lab Findings About COVID-19’s Impact on Immune System

COVID-19 can be serious and life-threatening. But in many cases, particularly if someone is vaccinated, the disease is mild. While there is a real risk of long COVID — lingering or new symptoms after infection with the coronavirus, which can sometimes be debilitating — most research suggests people who recover do just fine.

Studies show that most people who have been infected with the coronavirus, or SARS-CoV-2, are well-protected against severe disease if infected again, with subsequent or prior vaccination offering even more protection. 

There is no evidence that COVID-19 has left large swaths of the population...