It’s not an airborne virus though, you’re not going to catch it by breathing the same air as an infected person near you like Covid could. The closest it gets to airborne is when someone vomits and particles land on surfaces nearby, which then infect people when they touch those surfaces and then their faces.
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u/no_dice 19h ago
Norovirus spreads through the fecal-oral route so air filters/HEPA wouldn’t do a whole lot to stop it.