Companies should be paying closer attention to how indoor air quality can help prevent the spread of Covid-19 and improve employees' cognitive function.
Any C-suite executive looking to lure workers back into the office has likely spent more time thinking about indoor air quality and ventilation over the past year-and-a-half than at any other point in their pre-pandemic life.
"I don't think business people realize the power of buildings to not only keep people safe from disease but to lead to better performance," said Joseph G. Allen, Harvard's T.H. Chan School of Public Health associate professor and director of the Harvard Healthy Buildings program at the An under-ventilated room or building means these respiratory aerosols will build up and can infect someone well beyond that six-foot distance. "All of the big outbreaks we've seen have the same characteristics," Allen said. "Time indoors in an under-ventilated space. It doesn't matter if it's spin class, choir practice, or a restaurant. It's the same fundamental underlying factors that are driving transmission.
Maximizing the amount of outdoor air coming into the building is another step to take. And finally, Allen said air filters should be upgraded to what's called MERV 13. He explained that a typical building has a MERV 8 filter that captures about 20% of airborne particles. A MERV 13 filter will capture closer to 90% or more of those particles.
"The beautiful thing about all this is that healthy building strategies help protect against infectious disease, but they're also good for worker health, productivity, and performance," Allen said.
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