 Ahavuye isanamu, Reuters Insiguro yisanamu, Biteganyijwe ko urukingo Pfizer-BioNTech rwa coronavirus rutangira gutangwa muri Amerika ku bwinshi mu minsi iri imbere Urukingo Pfizer rwamaze kwemezwa ninzego zibishinzwe zo mu Bwongereza, Canada, Bahrain no muri Saudi Arabia Arabie saoudite. 