Improved ventilation helps and is crucial going forward, especially as fewer people are wearing masks. “It’s not an airtight guarantee that you’re not going to get COVID,” Andrew Noymer, PhD, MSc, epidemiologist and associate professor [of public health] at the University of California Irvine, told Verywell. “It’s just a much-reduced probability because the air isn’t as stale.”
How much does ventilation help reduce COVID transmission?
Verywell Health, May 16, 2022
May 16, 2022