In the US, COVID-19 patients with underlying health conditions were 12 times more likely...

A new flu strain in Chinese pigs shares genes with the virus that caused the 2009 H1N1...

Scientists discovered an Earth-like, potentially habitable planet about 3,000 light-years...

Interacting only with a small social group — and staying away from everyone else — can...

Tear gas can cause coughing, which spreads the coronavirus. The gas also has been linked...

Sweden's strategy to fight the coronavirus did not include a mandatory lockdown. Its high...

Eighty percent of Covid-19 cases are "mild," according to one study, but it's still a...

It's a misconception that sneezing is a common symptom of the coronavirus. Congested...