WHO launches global megatrial of the four most promising coronavirus treatments


A drug combo already used against HIV. A malaria treatment first tested during World War II. A new antiviral whose promise against Ebola fizzled last year.  Could any of these drugs hold the key to saving COVID-19 patients from serious harm or death?

​On Friday, the World Health Organization (WHO) announced a large global trial, called SOLIDARITY, to find out if any can treat infections with the new coronavirus for the dangerous respiratory disease.