To Understand How Covid-19 Spreads Think of Tobacco Smoke

Of course it can also spread in larger droplets

Particle sizes in micrometers — https://en.wikipedia.org/wiki/Particulates

It surprises me that in developing and explaining public health guidelines for the current pandemic, experts haven’t made more use of the similarities in size between virus particles and tobacco smoke particles. Whether we are smokers or not, most of us are familiar with how tobacco smoke spreads indoors and outdoors…