Coronavirus outbreak: not only while coughing or sneezing, microdrugs released while talking can also spread the virus

While talking, people can release thousands of microplates that can spread COVID-19 infection from one person to another.

Although the idea that the spread of Coronavirus by respiratory droplets produced due to coughing or sneezing has been validated, researchers at the National Institute of Diabetes and Digestive and Renal Diseases (NIDDK) also concluded that COVID-19 infection can spread through normal conversations. also. They conducted a study and published the results at the Proceedings of the National Academy of Sciences Diary.


These microplates can remain in the air for about eight to 14 minutes.

As an experiment, they made a person repeat the phrase "Stay healthy" for 25 seconds in a closed box. Then, using laser light projected into space, they were able to count the small droplets that remained in the air after they left the mouth and found that the droplets remained in the air for an average of 12 minutes.


Based on previous research on virus levels in oral fluid, the research team estimated that one minute of loud conversation could generate more than 1,000 droplets containing viruses that would remain in the air for at least eight to 14 minutes.

"This direct visualization demonstrates how normal speech generates droplets in the air that can remain suspended for tens of minutes or more and are eminently capable of transmitting diseases in confined spaces," concluded the researchers.


This study shows the importance of using masks to prevent the virus from spreading, as symptomatic and asymptomatic people may have an infection in their oral fluids.

With contributions from agencies.

Current date: May 14, 2020 5:42:48 PM IST



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