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 ...

As the summer surge of COVID-19 crests, many people are weighing whether they need to get booster shots now to protect against the disease (SN: 7/19/24). The U.S. Food and Drug Administration approved ...

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 ...

Covid-19 was the fourth leading cause of death in the United States in 2022, according to provisional data from the US Centers for Disease Control and Prevention. It was the third leading cause of ...

Kasabonika Lake, a remote northern Ontario First Nation about 600 kilometres north of Thunder Bay, has declared a state of emergency over a COVID-19 outbreak. In a media release issued Sunday, ...

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 infant mortality rate in the United States rose for the first time in two decades between 2021 and 2022, but social media posts linking the uptick to Covid-19 vaccines are not supported by ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...