Source: NBC News

The World Health Organization expanded its coronavirus guidance on Thursday to include the possibility in certain circumstances of airborne transmission, in which the virus could be spread through tiny droplets that linger in the air. The update came after more than 200 scientists signed an open letter pressing the agency this week to acknowledge the risk of airborne transmission among people in crowded, indoor settings for prolonged periods of time.

With reported outbreaks in some closed settings, such as restaurants, nightclubs and places of worship, WHO responded that more research is “urgently needed to investigate such instances and assess their significance for transmission of COVID-19.”

Full Story @ NBC News