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SEE IT: Simulation shows how cough can spread coronavirus in grocery stores
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kron4.com - by: Alexa Mae Asperin - April 9, 2020
Researchers in Finland have released a shocking simulation that apparently shows how respiratory droplets from just one cough in a grocery store can linger in the air for “several minutes” and travel across two aisles, possibly infecting other shoppers nearby with coronavirus.
Aalto University, the Finnish Meteorological Institute, VTT Technical Research Centre of Finland and the University of Helsinki studied how aerosolized particles released from the respiratory tract when coughing, sneezing or even talking flow through the air.
Preliminary results indicate that tiny particles carrying the coronavirus can linger in the air for longer than originally thought, reinforcing the importance of completely avoiding crowded spaces, or at the very least following social distancing guidelines.
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Simply speaking could transmit coronavirus, new study suggests
statnews.com - by Sharon Begley - April 15, 2020
Speaking calmly and at a normal volume produces liquid droplets so small they can remain suspended in the air long enough to enter the airways of other people, potentially exposing them to viruses including the one that causes Covid-19, according to a new study led by scientists at the National Institutes of Health.
“Aerosols from infected persons may therefore pose an inhalation threat even at considerable distances and in enclosed spaces, particularly if there is poor ventilation,” Harvard University biologist Matthew Meselson wrote in a commentary accompanying the paper, which used a laser to visualize airborne droplets created when volunteers uttered the words “stay healthy.”
The study was published on Wednesday in the New England Journal of Medicine.
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CLICK HERE - STUDY - Visualizing Speech-Generated Oral Fluid Droplets with Laser Light Scattering
CLICK HERE - STUDY - Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1
CLICK HERE - STUDY - Temporal dynamics in viral shedding and transmissibility of COVID-19