On March 18, the WHO announced that chloroquine and the related hydroxychloroquine would be among the four drugs studied in the Solidarity clinical trial.
Tarehe 18 Machi, WHO ilitangaza kuwa chloroquine na hydroxychloroquine husika zitakuwa kati ya dawa nne zilizochunguzwa na kuwa sehemu ya jaribio la Kliniki la Umoja.