Now a denial stating he’s NOT on a ventilator:
https://twitter.com/JamesTGallagher/status/1247249438986420230
It’s possible that his O2 started to dip and given his VIP status they are being extra careful. Of course, this disease seems to follow a predictable course in many and a significant subset of those needing supplemental oxygen will end up on a ventilator in a matter of days if not hours.