Health
Does 6ft provide enough COVID protection?
Tuesday, May 19, 2020 (HealthDay News) -Cavity-excited droplets of saliva can travel far more than six feet in low winds, according to new findings.
It suggests that a space of 6 feet social distance may not be enough to prevent the transmission of coronavirus.
Airborne transmission of viruses, including the coronavirus that causes COVID-19, is not well understood. One way to learn more is to look at how saliva particles move through the air when people cough, explained researchers at the University of Nicosia in Cypress.
“ This work involved guidelines on health and safety distances, a better understanding of the spread and transmission of airborne epidemics, and scientific findings, ” said Researcher Dimitris Dorikakiss, Vice President of Global Partnerships at the University. It’s extremely important because it helps to formulate precautionary measures. ” ..
Researchers have found that many factors affect the way air travels through the air, including the size and number of saliva droplets, their interactions with each other, the surrounding air as they disperse and evaporate, and the humidity and temperature of the air. The researchers say.
Such factors were taken into account when researchers created a computer simulation to evaluate how saliva travels in the air after coughing.
A study in the journal found in a simulation that saliva can move 18 feet in 5 seconds, even in a breeze at 4 kilometers per hour (2.5 miles per hour). Fluid physics..
“The cloud of water drops affects both adults and children of different heights,” Drikakis said in a journal news release. “Shorter adults and children can be at higher risk if they are in the path of a moving saliva droplet.”
Further research is needed to determine how surface temperatures affect saliva in the air. In addition, saliva in the air needs to be evaluated in an indoor environment where air conditioning significantly affects the movement of particles in the air, the study authors said.
For more information
The Centers for Disease Control and Prevention COVID-19 (New Coronavirus Infection) (# If there is no character limit, add parentheses when first appearing..
Source: Fluid physics, News Release, May 19, 2020
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