[Retric]

No, he is demanding a specific type of evidence and automatically discounts cohort based research.

Anyway, to prevent another 1918 flu pandemic and 50+ million deaths you need to see if your treatment protects vs cytokine storm http://en.wikipedia.org/wiki/Cytokine_storm not the standard symptoms. (http://en.wikipedia.org/wiki/1918_flu_pandemic) H1N1 is far from this deadly but doing nothing is playing with fire.

PS: You can't compare the results of two studies without looking at their methodology 60% fewer deaths in group A, vs 50% after some adjustments.