NEW YORK -- Two encouraging studies suggest that people who recovered from COVID-19 had immune responses to the virus long after antibodies faded, even up to one year later. The findings may help put ...

As population immunity continues to grow, understanding how immune responses influence both disease outcomes and viral evolution has become increasingly important.

The new research provides evidence that Covid reinfections can increase the risk of long-term health consequences. By Pam Belluck Pam Belluck has covered long Covid since the condition first emerged.