[Urbane Guerrilla]

Shoud tw be taken out of circulation by a moderate attack of Wuhan Coronavirus -- and recover -- it is to be hoped he will thereupon do the just as moderately heroic thing with a plasma and antibodies donation, helping to effect cures for the worse afflicted.

And when enough anecdotes of successful chloroquine and hexachloroquine treatment and cure accumulate, offlabel use or no, they pile up into something that looks a lot like data. Not completely, not rigorously -- but close enough to be useful.