Challenge trials help researchers study immune responses. Skeptics still doubt the approach is worth the risks ...

Speculation about the alleged findings of a study on long COVID and post-vaccination syndrome spread widely among vaccine ...

Five years since the COVID-19 pandemic began, policymakers are still looking for ways to prevent the next global public ...

An attorney for Keith Middlebrook said they would appeal and called Magic Johnson, who testified during trial, "the biggest ...

From carbon emissions to the share price of videoconferencing firm Zoom, these graphs tell the story of how the covid-19 ...

Unlike COVID-19, human metapneumovirus has been around for decades, and we understand how it spreads and how to treat it.

It's hard to believe it's been five years since the start of COVID-19. This timeline serves as a reminder of those early days ...

Federal funding for COVID-19 vaccines will stop this year and the provinces and territories will be responsible for buying ...

The world first became aware of Covid-19 five years ago. We evaluate where we are, remember how we got here, and consider ...

Actor Mel Gibson recently opened up about a challenging chapter in his life, sharing details of his battle with COVID-19 and ...

After a relatively slow start to the respiratory virus season, Covid-19 levels in the United States began ramping up just ...