 Ahavuye isanamu, Getty Images Insiguro yisanamu, Plasma iva mu bakize Covid-19 ishobora kuba ikungahaye mu birinda umubiri, byafasha mu kuvura abandi Iki kigo kivuga ko abantu bari munsi yimyaka 80 batari ku byuma bibafasha guhumeka, bahawe plasma irimo ibirinda umubiri byinshi yabafashije cyane, ikagabanya impfu kuri 35 mu kwezi nyuma yo kuyihabwa, kurusha abahawe plasma irimo ibirinda umubiri bicye. 