[andylei]

> Humidity affects the dessication of droplets, which in turn shifts what fraction become airborne (as aerosols) or settle out (as droplets). In the tiny enclosed volume between your face and your mask, that difference doesn't matter, because the whole volume is exchanged multiple times with each breath.

The article doesn't say anything about droplets or the number of viral particles you get exposed to. From the article:

> hydration of the respiratory tract is known to benefit the immune system.