3 ms·
> "indoor airborne transmission associated with relatively small, micron-scale aerosol droplets plays a dominant role in the spread of COVID-19" More reason to
by canada_dry 5y ago
> "indoor airborne transmission associated with relatively small, micron-scale aerosol droplets plays a dominant role in the spread of COVID-19"
More reason to use an N95 mask (vs. dust filters/cloth).