The World Health Organization acknowledged “evidence emerging” of the airborne spread of the novel coronavirus, after a group of scientists urged the global body to update the WHO’s guidance on how the respiratory disease passes between people.

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?

A protein called ACE2 is intimately involved in how SARS-CoV-2, the virus that causes COVID-19, infects the body.

A top U.S. scientist said governments should not count on a successful vaccine against COVID-19 being developed anytime soon when deciding whether to ease restrictions imposed to curb the pandemic.