I think that once this crisis passes we will have an updated view on the true effectiveness of masks. All the Asian countries that flattened the curve heavily e

I think that once this crisis passes we will have an updated view on the true effectiveness of masks. All the Asian countries that flattened the curve heavily endorsed the wearing of masks. But there may be other factors at work rather than the direct efficacy of masks (not touching your face, sending a social signal to keep distance, elevating humidity around your mouth and nose, etc.).