Quote:
Originally Posted by ruff
We hardly had a flu season this year because of masks.
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I don't think that would be the case. Given that surgical masks filter up to 300nm, so much bigger then both, and many people wore cloth masks that filter even less realistically, it stands to reason that masks are even more ineffective at filtering the flu then COVID. Increased hand washing and disinfection as well as social distancing would logically also defend against both.
"Influenza type A viruses are very similar in structure to influenza viruses types B, C, and D.[19] The virus particle (also called the virion) is 80–120 nanometers in diameter such that the smallest virions adopt an elliptical shape."
"The virus responsible for COVID-19, SARS-CoV-2, is in the species SARS-like corona viruses. At 125 nm, it is slightly larger than influenza, SARS and MERS viruses."