Ibipimo ku bikoko bitanga icizere c'urukingo rwa coronavirus Umuti wa dexamethasone 'ni inkuru nziza' - OMS Bill Gates aburira abantu kwirinda amakuru atari yo ku nkingo ‘Dose’ miliyoni z’urukingo rwa Covid-19 mu kwa cyenda Profeseri Shabir Madhi, umuhanga mu by'inkingo wo muri Kaminuza ya Wits ni we uyoboye igerageza ry'uru rukikogo muri Afurika y'Epfo, ubushakashatsi bafatanyijemo na Kaminuza ya Oxford yo mu Bwongereza hamwe n'ikigo Oxford Jenner Institute cyarukoze.
