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Aerosol emission of adolescents voices during speaking, singing and shouting
Citation key Murbe.2021
Author Mürbe, Dirk and Kriegel, Martin and Lange, Julia and Schumann, Lukas and Hartmann, Anne and Fleischer, Mario
Pages e0246819
Year 2021
DOI 10.1371/journal.pone.0246819
Journal PloS one
Volume 16
Number 2
Month February
Abstract Since the outbreak of the COVID-19 pandemic, singing activities for children and young people have been strictly regulated with far-reaching consequences for music education in schools and ensemble and choir singing in some places. This is also due to the fact, that there has been no reliable data available on aerosol emissions from adolescents speaking, singing, and shouting. By utilizing a laser particle counter in cleanroom conditions we show, that adolescents emit fewer aerosol particles during singing than what has been known so far for adults. In our data, the emission rates ranged from 16 P/s to 267 P/s for speaking, 141 P/s to 1240 P/s for singing, and 683 P/s to 4332 P/s for shouting. The data advocate an adaptation of existing risk management strategies and rules of conduct for groups of singing adolescents, like gatherings in an educational context, e.g. singing lessons or choir rehearsals.
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