Six years ago, on March 11, 2020, the World Health Organization declared COVID-19 a global pandemic. Here's what else happened on that day.

A new study suggests the true early toll of COVID-19 in the U.S. was significantly higher than official counts.

A study published Wednesday shows that the early U.S. death toll during the COVID-19 pandemic was higher than previously ...

As the UK entered COVID-19 lockdown in March 2020, security services and counterterrorism officials warned of a new threat ...

The first systematic review to track long-term trends across pre- and post-pandemic periods finds a dramatic rise in screen ...

BA.3.2, a new COVID-19 variant, has been detected in wastewater samples from 25 states. The variant has mutations that could evade immunity from a previous infection or vaccination.

Researchers are still determining the cause of these extended symptoms, but some COVID-19 "long-haulers" may actually be ...

Covid-19 immunity could lower risk of another pandemic, study claims - Covid-19 has generated ‘a biological barrier to other ...

Former World Health Organisation chief Dr Michael J Ryan said authorities did not trust people to make their own decisions.

There's no reason to believe the user was referring to COVID-19 in particular. The first reports of coronavirus — a group of viruses that includes COVID-19 and other diseases — go back to the 1930s; ...

The answer: The undiagnosed dead were more likely to be Hispanic people and other people of color, who had died in the first ...