Beschrijving

Aim of this work is to verify hypotesys of airborne transmission on distance related some respiratory and other virus and to compare with actual covid-19 pandemic diffusion.After an analysis of relevant literature involved and submitting an experimental hypotesys a global conclusion is submitted for further research activity.Some peculiarity in Covid-19 diffusion velocity and mortality rate in some high polluted world region.Contribute to increase the interest in this topics.