Three years into the pandemic, a select group of people have achieved something some once thought impossible: They have never tested positive for Covid. Scientists around the world are searching for ...

Those who’ve dodged COVID-19 for more than four years may have a newly discovered immune response to thank. The results stem from a challenge trial: At the height of the pandemic in 2021, scientists ...

Variant-driven COVID-19 cases are increasing and a few U.S. schools and businesses have temporarily reinstated mask mandates to mitigate the virus’s spread. Now, some are sounding the alarm that more ...

Four years after the spread of a novel coronavirus first prompted U.S. officials to shutter schools and limit public gatherings, misinformation about the virus persists. False claims that COVID-19 ...

The U.S. is experiencing another uptick in COVID infections after the holidays, with hospitalizations rising for the eighth week in a row. A new dominant variant, JN.1, has quickly spread to account ...

For months, a purported warning has spread on social media about an alleged "new COVID-Omicron XBB variant" — a new strain of the coronavirus that has spread globally since early 2020. Framed as ...

The Covid-19 pandemic caused by Severe Acute Respiratory Syndrome Coronavirus 2(SARS-CoV-2) stands as the fastest-spreading and most extensive global health crisis that humanity has faced in a century ...