New Delhi, Nov 4 (Ians) Keeping Covid infection risk low from Omicron variants now requires room ventilation rates 50 times greater than in 2020 when the pandemic arrived, researchers have revealed.
Building scientists and air quality specialists have assessed the ventilation rates of rooms required to keep the risk of infection under one per cent, concluding that Omicron and its variants require ventilation some 50 times greater than the virus did when the world first encountered it in 2020.
Despite the manifest benefits of vaccination, the risk of airborne transmission in confined spaces might be higher, and so the corresponding precautions regarding ventilation needed to be re-appraised, according to the study published in the journal Building Simulation.
The researchers also found that air purifiers were ineffective in reducing transmission when used in scenarios without N95 masks.
For all three variants of concern, ventilation rates had to increase substantially to ensure an infection probability of under one per cent,...
Building scientists and air quality specialists have assessed the ventilation rates of rooms required to keep the risk of infection under one per cent, concluding that Omicron and its variants require ventilation some 50 times greater than the virus did when the world first encountered it in 2020.
Despite the manifest benefits of vaccination, the risk of airborne transmission in confined spaces might be higher, and so the corresponding precautions regarding ventilation needed to be re-appraised, according to the study published in the journal Building Simulation.
The researchers also found that air purifiers were ineffective in reducing transmission when used in scenarios without N95 masks.
For all three variants of concern, ventilation rates had to increase substantially to ensure an infection probability of under one per cent,...
- 11/4/2022
- by Glamsham Bureau
- GlamSham
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