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 ...

Five years ago, COVID was all we could think about. Today, we’d rather forget about lockdowns, testing queues and social distancing. But the virus that sparked the pandemic, SARS-CoV-2, is still ...

Being infected with COVID-19 may temporarily provide protection against reinfection. However, it's unknown how long that protection lasts and how valuable it is against different variants of the virus ...

In the United States, more than 72 million people, or 21% of the population, have received at least one dose of the Covid vaccine, according to data from the Centers for Disease Control. And President ...

We're still learning about COVID-19, but when it comes to how long the illness lasts, patients generally feel sick around the same amount of time. Most coronavirus patients have mild to moderate ...

Long COVID affects an estimated 65 million people worldwide and can damage the brain, heart, blood vessels, and immune system ...