It would more explain lack of spread in other large gatherings. Edit: As an example, it could also go a long way to explain why more teachers don't get covid f

It would more explain lack of spread in other large gatherings. Edit: As an example, it could also go a long way to explain why more teachers don't get covid from students. They don't typically have shared restrooms. Big caveat, I've not seen a reliable quantification of that spread.