Plus as was shown a while back disinfectantgate was a BBC stitchup. He does have an unfortunate habit of musing out loud which gets used as ammunition by his detractors.
The malaria drug as a possible partial treatment to reduce the time in hospital was mentioned at least a couple of weeks back. I haven't read the more recent stuff but wasn't aware it had any preventive properties. I won't poke any fun at the Donald though as we (me and wife not me and the Donald) both now take vitimin D supplement on the grounds it's cheap, won't do us any harm and there is an outside chance it could help based on another unproven suggestion.