Public health also studies the most effective communication strategies for sharing public health info even in the face of uncertainty. I bet they will be more explicit about uncertainty next time based on the last time, but that is why they didn't say it. The field started out with a person breaking the handle to an invented ell, not even using communications but taking physical actions to stop the spread.
As far as the speed of revisions, my memory is the initial advice to wash your hands so much faded within months, as well as the wash your groceries advice. It took the US some time to notice how effective masks were in Japan, and push for masking. And now good air filtration for public spaces is gaining momentum, even as the deaths from COVID declined.
And you aren't a bit alarmed anytime a novel virus hits an immunologically naïf population, well you should be.
> I bet they will be more explicit about uncertainty next time based on the last time
This is highly euphemistic. We were explicitly lied to for our own good, over and over again. Including about masks being ineffective early on (to save them for healthcare providers), about ventilators, about the effectiveness of the vaccine, about the vulnerability of normal populations as compared to older ones, the plausible origins of the virus itself, etc. It was over and over again. And again--that's without the injection of left-wing politics as noted in my previous comment.
> As far as the speed of revisions
We had kids out of schools for years. An entire generation is now significantly behind comparable cohorts, and the only reason we even stopped is because the opposition eventually made it untenable. We forced many small businesses to fail and gave out interest-free loans to many others that never need to be paid back. People were forced to get vaccinated or lose their jobs.
I feel like our response to COVID-19 (at least in the US) is like a litmus test for how well one accepts authoritarianism. If one lived through that as an adult, I don't know how one would trust what the medical establishment says next time around, except to trust that it's what they want the unwashed masses to think.
As far as the speed of revisions, my memory is the initial advice to wash your hands so much faded within months, as well as the wash your groceries advice. It took the US some time to notice how effective masks were in Japan, and push for masking. And now good air filtration for public spaces is gaining momentum, even as the deaths from COVID declined.
And you aren't a bit alarmed anytime a novel virus hits an immunologically naïf population, well you should be.