I’ve seen research that says humidity is a powerful weapon against Covid-19 spread. And research that says…

I’ve seen research that says humidity is a powerful weapon against Covid-19 spread. And research that says the exact opposite. This set of results was very interesting. https://t.co/9vOhjiIOhX

@DrPieterPeach what’s your take on humidity as a factor against spread? Interesting in this set of experiments that even with a good HVAC system with 15 air changes per hour, it was only when they raised the relative humidity that spread was dramatically contained.