A new Covid variant called Stratus or XFG is spreading across 38 countries. The World Health Organisation is monitoring this ...

Pronounced "R-naught," the reproductive number is an indicator of how contagious a disease is, or how easily it spreads from person to person in a community.

Scientists have identified dozens of human proteins that SARS-CoV-2, the virus that causes COVID-19, depends on to replicate ...

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

The Food and Drug Administration July 10 approved Moderna’s Spikevax COVID-19 vaccine for children under 12 with at least one ...

Debating the origins of the COVID-19 virus: What we know, what we don’t know National China Corrections and Updates Science Coronavirus ...

The COVID-19 pandemic was caused by a novel coronavirus, first isolated in January 2020. But a viral video has been spreading a conspiracy theory that the pandemic has actually been a plot to ...

An image shared on Facebook makes a disturbing claim about the virus that causes COVID-19: it is actually not a virus bu ...

A recent conspiratorial film made an array of claims about COVID-19, prompting social media users to spread a false notion that it is snake venom.

Covid-19 has changed and so has our immunity. Here’s how to think about risk from the virus now ...

In early 2020, as the pandemic was looming, Dr. Anthony Fauci corresponded with a group of scientists about the possibility that the COVID-19 virus escaped from a lab in Wuhan, China. After a ...

Researchers found that the COVID-19 virus triggers immune changes that may one day be harnessed to help fight cancer.