Profeseri Trevor Drew ukuriye 'Laboratoire' ya Australia ipima ibijyanye n'ubuzima bw'inyamaswa aho iryo gerageza riri gukorerwa, yagize ati: "Ariko ntabwo ziyongera [intungamubiri z'iyo coronavirus y'inkorano]…rero ntabwo bishoboka ko umuntu yarwara bitewe n'uru rukingo".
