Global airlines called on Tuesday for airport COVID-19 tests for all departing international passengers to replace the quarantines they blame for exacerbating the travel slump.
The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback