Air quality and Coronavirus (COVID-19)

  • Coronavirus remains in the air for up to 3 hours
  • Transmission could occur when talking or breathing in enclosed environments by micrometric particles
  • It is very important to ventilate and have good filters in the ventilation and air conditioning systems to decrease the PM2.5 particles and improve the air quality

The coronavirus that causes Covid-19 remains in aerosols for up to 3 hours according to a study by North American researchers and published in “The New England Journal of Medicine” [1]. Coronavirus could be spread by talking or even breathing

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The president of the Japanese Infectious Diseases Association, Kazuiro Tateda, warns that the transmission could occur through conversations between two people or breathing strongly, even when people keep the distance of two meters [2]. The risk of infection through micrometer particles that remain floating in the air becomes more noticeable in a closed spaces
To prevent particles from remaining in the air indoors for a longer time, it is advisable to ventilate and increase air circulation. A good filter in the ventilation and air conditioning systems would reduce the number of particles and increase air quality [3]
It is recommended to wear masks to prevent the spread of the virus [4-5]
Air pollution by PM2.5 particles is associated with an increased risk of death per Covid-19 [6]

References:

[1] https://www.nejm.org/doi/10.1056/NEJMc2004973

[2] https://www.youtube.com/watch?v=y7Um0UOCsMg

[3] https://drjoseaguilar.com/en/air-quality/

[4] https://medium.com/@Cancerwarrior/covid-19-why-we-should-all-wear-masks-there-is-new-scientific-rationale-280e08ceee71

[5] https://www.maskssavelives.org/

[6] https://www.medrxiv.org/content/10.1101/2020.04.05.20054502v1

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