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 ...
Sustained protection through 6 months, but effectiveness slipped as newer strains emerged ...
A two-year study from Thailand reveals how often long COVID follows hospitalization, how long symptoms can persist, and why vaccination and disease severity make a critical difference to patients’ ...