Interesting..
Why would dry air help spread COVID-19?
When the air is drier, the aerosol particles shrink and can therefore stay suspended in the atmosphere for longer.
For every 1 per cent decrease in relative humidity, they found a 7 to 8 per cent increase in COVID-19 cases.
It suggested dry air shrinks the virus aerosol particles, allowing them to remain airborne for longer
https://www.abc.net.au/news/2020-08-...study/12587402