I've read old reports on the 1918-20 flu pandemic. They all noted that mask mandates had no apparent positive effect, so shouldn't be used "next time". It was t

I've read old reports on the 1918-20 flu pandemic. They all noted that mask mandates had no apparent positive effect, so shouldn't be used "next time". It was that history US public officials had in mind when they initially resisted mask mandates. But the public pressure to enact tangible measures was too great. I don't see what could be done to avoid the same happening again.