coronavirus could be spread through particles in the air. Professor Benedetta Allegranzi, technical lead for infection prevention and control, said the possibility of airborne transmission in “crowded, closed, poorly ventilated” settings could not be ruled out.Current guidelines from the WHO focus on the virus being spread primarily through droplets from the nose or mouth, which are expelled when an infected person coughs, sneezes or speaks.The Geneva-based agency advises precautions to avoid these droplets, such as social distancing and regular hand washing.Get the latest updates from across Greater Manchester direct to your inbox with the free MEN newsletterYou can sign up very simply by following the instructions hereDr David Nabarro, a.