Health
These simulations show how face shields and valved masks allow clouds of respiratory droplets to escape – Business Insider Australia
Not all face coverings are created equal. While face shields and masks with valves might score high on comfort, breathability, and making communication easier, they don’t rank well when it comes to preventing the spread of viral particles.
- Face shields and masks with exhalation valves do not block the spread of small droplets, a new study found.
- Small, aerosol-sized particles linger in the air for longer periods of time compared to large droplets.
- Well-fitted N95 masks, high-quality cloth masks, or surgical masks without valves are more effective at preventing the spread of COVID-19.
- Visit Insider’s homepage for more stories.
Not all face coverings are created equal. While f…
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