Umuti wa dexamethasone 'ni inkuru nziza' - OMS Covid-19: Amakuru ukeneye ku nkingo n'uko ruzakugeraho Covid-19: Urukingo rw’Ubushinwa 'ruzaba rutunganye mu kwa 11' Biden yavuze ko azagarura Amerika muri OMS OMS iri mu nama ku cyicaro gikuru cyayo i Genève mu Busuwisi, ireba ku buryo iri guhangana n'iki cyorezo.
