I’m seeing discussions again about changing the timing of the second dose of the COVID vaccines, with what seems to be a goal of reaching herd immunity sooner. I see two problems with this.
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Second thing is what happened. United Kingdom delayed based on scientific committee’s recommendations and has high uptake. European media and other trashed the idea, but eventually delayed anyway and has very low uptake (yes other reasons, too).
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That makes sense—we’ve seen repeatedly this pandemic that consistent messaging is better than changing messaging, even if the changes are attempts to keep up with changing knowledge or science.
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Could you explain a bit more about what you mean by “expanded earlier coverage” as a goal? Maybe it’s just my epi bias but I don’t really understand a goal that isn’t about either deaths, hospitalizations, or infections.
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All those, which are not identical to herd immunity, no? So the goal UK committee stated wasn’t quicker herd immunity.
End of conversation
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