Which mask works best? We filmed people coughing and sneezing to find out
- Written by C Raina MacIntyre, Professor of Global Biosecurity, NHMRC Principal Research Fellow, Head, Biosecurity Program, Kirby Institute, UNSW

If you’re not sure whether wearing a face mask is worth it, or you need to wear a mask but are unsure which type, our new research should help you decide.
We took videos of what happens when you talk, cough and sneeze in different scenarios — while not wearing a mask, wearing two different types of cloth masks,...
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