 Dr Marcos Espinal, oo ah madaxa hayadda dawooyinka Mareykanka ee Pan America oo ka mid ah Hayadda Caafimaadka Adduunka ee WHO ayaa carrabka ku adkeeyey ilaa iyo hadda iney jirin tijaabada la isku halleyn karo oo caddeyneyso in dawada hydrochloroquine- ka loo isticmaali karo coronovirus. 