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Tag Archives: covid vaccine

The politics of vaccine-stretching

When the Pfizer and Moderna vaccines were first approved, it was clear that they were highly effective at preventing covid and that they would be in short supply for months.  The clinical trial data also suggested that, at least in the short-run, one dose of the vaccines would provide almost as much protection against covid as the two-dose protocol that was tested and approved by the FDA.  This led a number of economists and public health...

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Yes, let’s vaccinate twice as many people against covid-19

I am very sympathetic to Robert Waldmann’s argument that we should give twice as many people one dose of the new Pfizer/Moderna vaccines, at least until supply constraints are eased, instead of following the FDA approved vaccination protocol and giving everyone two doses right from the beginning. What follows is a rough way of thinking about the logic and perhaps the magnitudes involved. Let me emphasize that this is just a finger exercise and I am...

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Liveblogging the FDA hearing on the Moderna Covid 19 vaccine

So Far the efficacy data has been presented. As reported in the press earlier, the vaccine is roughly 95% effective, that is roughly 95% of people who got Covid 19 during the trial were participants who received the placebo. Importantly, the null hypothesis that just one dose is just as good as two was not rejected. The test of this null had extremely low power as almost all participants received both doses, so basically this means cases less than...

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