[oldalum]

So maybe Pence wasn't wrong not to wear one.

He was wrong because it violated the institution's policy at the time, regardless of whether the POLICY is later determined to have been wrong.

But it makes no sense in the study that  "All swabs from the outer mask surfaces of the masks were positive for SARS–CoV-2, whereas most swabs from the inner mask surfaces were negative"

[oldalum]

So maybe Pence wasn't wrong not to wear one.

He was wrong because it violated the institution's policy at the time, regardless of whether the POLICY is later determined to have been wrong.

But it makes no sense in the study that  "All swabs from the outer mask surfaces of the masks were positive for SARS–CoV-2, whereas most swabs from the inner mask surfaces were negative"