> It is ABSOLUTE humidity which matters, not relative humidity. This 2019 paper says that (i) in higher relative humidity, the fine droplets stay larger (large

> It is ABSOLUTE humidity which matters, not relative humidity. This 2019 paper says that (i) in higher relative humidity, the fine droplets stay larger (larger size after evaporation down to the equilibrium size, given by Kelvin equation) and thus linger in the air for a shorter time. And (ii) higher temperatures, virus proteins denaturate a bit faster. The compound effect of higher relative humidity and higher temperature then makes it look like it correlates to higher absolute humidity. https://royalsocietypublishing.org/doi/full/10.1098/rsif.2018.0298 https://royalsocietypublishing.org/doi/full/10.1098/rsif.201...