We already knew that coughing and sneezing were the main causes of Covid-19 spread, hence the necessity to cough or sneeze in your elbow. But according to an experiment released this May 13th in the very serious American scientific magazine PNAS, talking can spread the virus.
According to this experiment, the micro-droplets of saliva produced when talking could stay in the air in a closed space for over ten minutes. “This direct visualization demonstrates how normal speech generates airborne droplets that can remain suspended for tens of minutes or longer and are eminently capable of transmitting disease in confined spaces” searchers say.
Another major point, the smaller these micro-droplets are, the longer they remain suspended in the air. On the contrary, the heavier they are, the quicker they fall on the ground, because of the gravity.
This recent study reminds how important barrier gestures and social distancing are, without forgetting facemasks. In France, protective masks are compulsory in public transportation and in some airlines such as Air France. Several major stores have decided to impose masks to their clients before coming in. Lastly, Paris Mayor Anne Hidalgo wishes facemasks to be mandatory in the streets of Paris.
For the record, the World Health Organization said that Covid-19 may “never go away”. According to WHO emergencies expert Michael Ryan, Covid-19 may “become just another endemic virus in our communities”.