It turns out, air purifiers may be able to help prevent the spread of viruses and germs in your house.
As for COVID-19? HEPA filters work by filtering air through superfine mesh, and can usually remove particles from the air greater than 0.3 microns in size, explains Rand McClain, M.D., the chief medical officer of. “The COVID-19 virions are roughly 0.1 microns, but can still be intercepted because of a process called diffusion that involves Brownian Movement,” explains McClain.
That said, COVID-19, or coronavirus, is typically transmitted person-to-person—so even if a HEPA filter can potentially help remove COVID-19 from the air, it won't stop transmission of the virus, notes McClain. “A likely faster/better way to clear virions from the air in a room is to simply open two windows to allow the virions to escape and replace with fresh, uninfected air,” he adds.
But if you're planning on spending a significant amount of time indoors, an air purifier definitely won’t. Plus, it can also circulate and introduce fresh air to rooms that might start to feel stagnant. Ahead, the best air purifiers, according to customer reviews. Intended to cleanse an entire room, this air purifier contains three different filtration systems that work to rid your home of allergens, pet hair, bacteria, and viruses.
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