Coronavirus: infection in the Singing through the distance and duration of ventilation to avoid

Singing can be launched so-called aerosols, i.e. mixtures of solid or liquid suspended particles, up to one and a half meters to the front. This is discovered

Coronavirus: infection in the Singing through the distance and duration of ventilation to avoid

Singing can be launched so-called aerosols, i.e. mixtures of solid or liquid suspended particles, up to one and a half meters to the front.

This is discovered, scientists at the University hospitals Munich and Erlangen in a series of experiments, with the choir of the Bavarian radio (BR).

In the case of choir samples because of the up to one and a half meters wide of the emitted Aerosol clouds, to recommend to the front, a distance of at least two meters, said Matthias Echternach from the Ludwig-Maximilians-University (LMU) according to the message.

To the side, significantly less rich are the aerosols-wide has been measured, so that gaps of approximately one and a half meters would be sufficient.

In any case, the permanent supply of fresh air was important "to remove the aerosols from the air," said Echternach.

Extra security could create, therefore, the separating walls between the singers. Singing with a protective mask would reduce the outlet of the particle, in principle, clear.

However, Echternach, is the Wearing of protective masks, particularly for professional choirs probably not an Option, because of the vocals and the sound will be affected.

There are already studies that deal with the dissemination of droplets and aerosols in the air.

So analyzed, researchers from Washington about the infection within of a Choir and also came to the conclusion that the Transfer was due to a distance of two meters.

Christian Kähler by the Institute of fluid mechanics and aerodynamics at the Universität der Bundeswehr München, according to the distance between the choir's singers at the possible Transmission of the Coronavirus, a role.

adherence to basic hygiene rules and, for example, the height of the sample chamber to be factors of important influence.

source

  • Echternach, M. et al. (2020): First results of the Aerosol study, with the Chor des BR, accessed on 03.07.2020: https://www.lmu-klinikum.de/aktuelles/pressemitteilungen/erste-ergebnisse-zu-aerosol-studie-mit-dem-chor-des-br/caf8e9f9c407a2bd

Deutsche Presse-Agentur (dpa)

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Date Of Update: 04 July 2020, 13:26
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