What distance will protect against coronavirus

Lydia Buruiba, Ph.D. from MIT, investigated how far particles of liquid travel when we sneeze. After analyzing the results, she published a scientific article Turbulent Gas Clouds and Respiratory Pathogen Emissions: Potential Implications for Reducing Transmission of COVID-19, according to which it turns out that protecting ourselves from COVID-19 is more difficult than we used to think.

Tests have shown that the velocity of fluid propagation at the peak of expiration can reach 30 meters per second. As a result, a cloud of small droplets is formed, spreading up to 7-8 meters. If a person is infected, these droplets can contain SARS-CoV-2 pathogens and infect a healthy person who is nearby.

At the same time, now WHO recommends keep a distance of 1 meter, and the US Centers for Disease Control and Prevention say about 6 feet, or about 2 meters. A new study has shown that the safe distance will be only 7-8 meters.

This distance is difficult to keep in confined spaces - for example, in a store, at a post office, or even just in an entrance (especially if you need to use an elevator). That is why you should listen to

recommendations of the authorities and stay at home. Food is worth it if possible shop immediately for a long time - or use deliveries.