Suara.com – Researchers at Coloardo State University (CSU), found men and people who like speak hard is easier to spread corona virus Covid-19.
A study published in the journal Environmental Science and Technology Letters, researchers prove that men are the most spreaders of the Covid-19 corona virus by examining emissions aerosol breathing of healthy participants of different ages and genders when speaking and singing.
The researchers measured the concentration of the amount particle Covid-19 corona virus between 0.25 and 33 micrometers from 63 participants aged 12-61 years and the volume of voice and level of CO2 (carbon dioxide) exhaled by participants.
Sample measurements were taken while the subject was wearing a mask and removing it in the laboratory.
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The researchers concluded that singing produces 77 percent more aerosol than ordinary speech, adults produce 62 percent more aerosol than minors and men produce 34 percent more aerosol than women.
However, the researchers dispensed with age and sex differences after accounting for the volume of participants’ voices and measurements of the participants’ exhaled CO2 in the linear model.
The experimental results using this wind instrument are still awaiting further data analysis and peer review.
In fact, this study has been developed since the beginning of the Covid-19 coronavirus pandemic as an effort to determine what people in the performing arts can do to return to the stage to work safely.
“Is singing worse than talking in terms of how many particles are exhaled? According to the study, this is true. The louder a person talks or sings, the worse the emissions,” said study author John Volckens. Fox News.
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If there is a significant difference in CO2 calculations between men and women and children, then you must know how many men, women and minors are in the room to estimate the risk of transmission.
“Our data show that you wouldn’t know if you just measured CO2 and noise levels, because that’s just a counterbalance to these demographic differences,” said John Volckens.
However, these findings also have limitations, such as the laboratory environment which may not be appropriate to generalize to real situations.
The researchers also did not consider other types of vocal activity and did not measure the risk of respiratory disease transmission. Thus, additional observations and studies are needed to characterize respiratory aerosol emissions during early childhood development.
Goble, director of CSU’s School of Music, Theater and Dance said that working with CSU engineers helped his team to better understand how the visual and performing arts could re-implement their program.
Currently, the health protocols implemented at CSU’s performing arts include the use of masks, time restrictions on occupancy, a physical distance of at least six feet for voice lessons and extra time between classes to allow for adequate air exchange in the performance halls.
“We are very fortunate to have an expert like Volckens provide some good information to help us make this decision,” he said.
The results of this study also support further research on sound volume and CO2 as an indicator of the risk of infection with the Covid-19 corona virus in the room.
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