[ghoward]

We used masks during the Spanish Flu until politicians were caught not using masks.

Also, the Hong Kong Flu might be close to COVID in per capita deaths.

[skinnymuch]

There’s a whole bunch of reasons for the masks not used as Spanish Flu went on.

However, it was a mainstay for a period of time without any where close to the current division over using masks.

[ghoward]

And the Spanish Flu was far deadlier. Perhaps that matters?