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Chemical & Engineering News explores “Which air purification technologies can tackle COVID-19?”

Writing for Chemical & Engineering News, Mark Peplow explores effective — and ineffective — forms of air filtration, UV sanitation, and other air cleaning methods. During the early weeks of the COVID-19 pandemic, it was common to see people on social media sharing strategies for disinfecting groceries to remove any possible trace of SARS-CoV-2. Over the past year, though, research has shown that surface transmission is a relatively unlikely route of infection, while transmission through the air poses a far bigger threat—not only via contaminated droplets sprayed out during a coughing fit but also from the fine mist of virus-bearing aerosols emitted when…
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