Gargling salt water is a time-tested way to alleviate sore-throat pain. As a nasal lavage, it can help clear stuffy sinuses associated with colds and allergies. But, is gargling salt water effective against the symptoms of COVID-19?

Government experts believe more than 20 million Americans could have contracted the coronavirus – 10 times more than official counts – indicating many people without symptoms have or have had the disease, senior administration officials said.

LabCorp’s Covance drug development business launched COVID-19 Clinical Trial Connect in the U.S. to help people find information on taking part in clinical trials.

British researchers will study the genes of thousands of ill COVID-19 patients to try to crack one of the most puzzling riddles of the novel coronavirus: why does it kill some people but give others not even a mild headache?