Remdesivir
Clinical trials have shown the drug cuts the duration of symptoms, but there's previously been no data on survival.
But they also said he's only two days into a five-day course of Remdesivir.
As US buys up world’s supplies of Remdesivir, UK calls for more "collaboration".
Trials found that the anti-viral drug can reduce the recovery time of Covid-19 patients by four days.
A preliminary trial of the drug made by Gilead found it could reduce the duration of Covid-19 symptoms in patients.