you summarized, didn't need to. Are you not for lockdowns?

I disagree. I think there's a lot to be gained by spending a moment looking at this beyond the red meat / political / superficial level. Even if the case is that after doing our best to control for potential confounding influences we find an inconclusive result - that is in itself meaningful, because it implies the case for intervention isnt very strong.

What's more if you're going to recommend or oppose something, it's better to do so from a position supported by evidence rather than conjecture or emotion.

So think it's actually very important to take the time to consider what "lockdown" actually means, since so many different things were tried. And to take a moment to try to understand what these various interventions did - good and bad.

It seems obvious that there *is* an optimum set of actions along the economic - human cost/benefit spectrum. COVID was a marginally dangerous disease, which makes it more difficult to actually see the signal hidden in the noise. The next pandemic - which will come, one day or another - may not be so mild. By taking a moment to engage people (in this case smart, tough, educated, pragmatic Aggies and Texans) perhaps the next time the topic comes up we can make better decisions and have better opinions than we did last March.

I agree with the sentiment but not with the initial assumption. I don't think we can't conclude anything. We can conclude that you actually can slow progression down in a meaningful way, but that comes at an economic and human cost. This is quite different than the "lockdowns don't work" conclusion. And it's a starting point to say - ok, since this can work, should we? And if we do..what's the best way?

The Pareto frontier to me is one of the most interesting concepts here because it shows that ultimately these are a set of choices that present a range of efficient outcomes, and that it is an optimum boundary. So you can find a desired efficient trade off between economic suffering and lives saved, but you can also completely and totally foul that up.

What do you base that on? I went back and read some early 2000s CDC documents about NPIs for flu last year, and they all basically pointed to what we did. Even the (in)famous Imperial College paper was based on research and modeling done in the early 2000s to evaluate the benefit of various interventions.

I agree that a high risk individual who gets sick after being vaccinated is probably at a higher risk than a low-risk, unvaccinated individual. But based on the evidence we have the likelihood that the vaccinated person will get sick in the first place is much lower. (Clinically sick, not subclinical infected but detectable by PCR).

I have not read the article in detail in its entirety, but he did allude to that in his Conclusion #5:

Quote:

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5: It's harder to justify strict lockdowns in terms of the non-economic suffering produced. Even assumptions skewed to be maximally pro-strict-lockdown, eg where strict lockdowns would have prevented every single coronavirus case, suggest that it would have taken dozens of months of somewhat stricter lockdown to save one month of healthy life.

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Do you have any papers to share on the secondary effects of lockdowns? I wouldn't mind reading them.

He addresses the issue of schools, and the point is exactly what you're saying - there is a cost and a benefit to closing schools.

Your third sentence is a counterfactual that isn't necessarily supportable. It's unlikely that selective isolation would have been very effective, primarily because people simply can't isolate themselves from necessities (groceries etc).

The whole purpose of the exercise is to try to separate out evidence from unsubstantiated opinion. Until you do that - like agreeing on loaded concepts like what society "needs" - everyone brings their own facts and talks past each other with emotional arguments.

Jabin said:

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GAC06 said:

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People weren't getting infected at the grocery store, despite the mandated masquerade

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What does that have to do with the study/article Zobel posted?

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Read the post I replied to. First time on the internet?

Zobel said:

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Again, facts not in evidence. The vast majority of transmissions occur in the home or close, sustained proximity, yes. But just by inspection the fact that transmission also occurs home-to-home and group-to-group shows that it also occurs in other places. Reducing those contacts reduces chances to spread. You're putting forward an idea that we don't know will work or not. That's fine, but it is incorrect to say it would work, or even that it would have worked better. It might have, it might not.

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Plenty of studies showing that transmission wasn't happening in settings like grocery stores

I wouldn't mind reading them. Please share. But the point remains, it's a counter factual that may not be supported by evidence. Is there a country that has policy to selectively isolate by age only? That would be a useful comparison.

Also, there is a review in the paper of an economic analysis that suggests lockdowns caused more deaths than they saved. Things are rarely black and white.

I think you should read the article.

I did. Zobel said nothing about people getting infected at the grocery store.

He merely mentioned grocery stores.

The article discusses all kinds of lock downs, including targeted lockdowns and ones initiated spontaneously by people on their own. You're acting like the article is simply a defense of what was done, when it is exactly the opposite. The article is trying to determine what worked and what didn't work, and admits that there is a very large margin of error.

As a pilot, I'd think that you'd be interested in looking at hard data. It's surprising that you're so resistant to it. You seem to have your mind made up and "let the facts be damned."

Show your work?

Here's a relevant portion.

Quote:

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This is an absolutely beautiful graph. It's showing how lockdown strictness (as of May 5) correlates with death rate over time. We find that early in the epidemic, the stricter your lockdown, the worse you're doing. This is the endogeneity - places (like NYC) that are doing really badly institute strict lockdowns to try to save themselves. Later in the epidemic, the stricter your lockdown, the better you're doing - probably because the strict lockdown is giving good results.

This is a victory for lockdowns insofar as the correlation is significant, but strong proponents might be surprised by how small the effect was. A few small isolated northern states like Vermont did very well. But most states - from California and New York to Florida and Texas - clustered in a band between 80,000 and 120,000 cases per million. States at the 75th percentile of lockdown strictness had about 17.5% fewer cases per million than states at the 25th percentile.

Why didn't lockdowns help more? Part of the answer must be that even weak-lockdown states had lots of voluntary behavior change, and even strong-lockdown states had lots of people ignore the lockdowns. But I think the main answer is that in every state, people panicked and tightened up when cases got bad, then relaxed and got careless once cases dropped again, making it hard for lockdowns to have too much effect - once a lockdown "succeeded", it just made people go back to being careless.

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If you'll actually spend a moment, you might find the article provides support to your current beliefs. Or it may challenge them. Who knows?

Jabin said:

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I did. Zobel said nothing about people getting infected at the grocery store.

He merely mentioned grocery stores.

The article discusses all kinds of lock downs, including targeted lockdowns and ones initiated spontaneously by people on their own. You're acting like the article is simply a defense of what was done, when it is exactly the opposite. The article is trying to determine what worked and what didn't work, and admits that there is a very large margin of error.

As a pilot, I'd think that you'd be interested in looking at hard data. It's surprising that you're so resistant to it. You seem to have your mind made up and "let the facts be damned."

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Bless your heart. Not worth responding other than that

Zobel said:

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In fairness nothing you wrote gave any indication that you read the summary either.

This isn't an argument for or against lockdowns. It's trying to answer the question - "do lockdowns work?" With a side of "are they worth the economic and human cost?"

It's not a simple question, and the author does a pretty good job of ferreting it the difficulties both in framing the question in an answerable way, and evaluating the available published evidence.

The answer to the first question seems to be "somewhat yes" and the second is "probably not worth it."

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" The answer to the first question seems to be "somewhat yes" and the second is "probably not worth it."

History already told us this, yet "let the facts be damned".