By Jeffrey S. Flier at Quillette
With COVID-19 cases surging in the United States and many other countries, Monday’s announcement that ongoing vaccine tests had produced positive results comes as much-needed good news. In a placebo-controlled trial of 43,538 subjects, a vaccine developed by Pfizer, working with the German company BioNTech, was found to be “more than 90% effective in preventing COVID-19 in participants without evidence of prior SARS-CoV-2 infection.”
Pfizer officials added that they “will continue to collect further data as the trial continues to enroll for a final analysis planned when a total of 164 confirmed COVID-19 cases have accrued”; that the monitoring committee had “not reported any serious safety concerns”; and that “based on current projections, we expect to produce globally up to 50 million vaccine doses in 2020 and up to 1.3 billion doses in 2021.”
article date: 2020 11 11
posted: 2020-11-11 22:01:46
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County now under regional stay-at-home order
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Herd Immunity is Herd Immunity
Some assorted thoughts: In the big picture, the efficacious of a vaccine doesn’t matter per se what matters is getting to herd immunity. If you have a less efficacious vaccine you need to vaccinate more people but herd immunity is herd immunity, i.e. vaccines mostly protect people not because they are efficacious but because we […]
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Youyang Gu will estimate vaccination numbers and herd immunity
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The post Youyang Gu will estimate vaccination numbers and herd immunity appeared first on Marginal REVOLUTION.