They claim a 5% reduction in spread with cloth masks and a 12% reduction with surgical masks. I think 1 less case out of every 10 or 20 is pretty acceptable? E

They claim a 5% reduction in spread with cloth masks and a 12% reduction with surgical masks. I think 1 less case out of every 10 or 20 is pretty acceptable? Especially at the time when many countries were having their healthcare systems overloaded by cases.