Respirators help reduce the spread of airborne infections
See how masks reduce respiratory particles released into shared air, helping limit airborne transmission and protect both the wearer and people nearby.
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This short, insightful clip by aerosol scientist Al Haddrell explores the pivotal relationship between CO₂ levels and respiratory viruses output during breathing. It clearly demonstrates how CO₂ concentration can act as a real-time indicator of the quantity of exhaled viruses in indoor settings – a simple yet effective proxy for assessing airborne transmission risk of pathogens.
