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J&J says its one-shot Covid vaccine is 72% effective in the U.S., but less potent in other regions
ohnson & Johnson said Friday that its one-dose coronavirus vaccine was 72% effective in protecting against Covid-19 in the United States. The vaccine, however, was less potent in other regions, it said. The highly anticipated results were based on 468 confirmed Covid-19 infections among the phase three trial’s more than 43,000 volunteers, according to J&J. The company said the trial includes those infected with B.1.351, the new, highly contagious strain found in South Africa. The level of protection varied by region, J&J said, with the vaccine demonstrating 66% effectiveness overall, 72% in the United States, 66% ... (full story)
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1/2 The J&J vaccine turns in a fantastic result. We now have 3 highly effective vaccines. This vaccine showed sustained (and increasing!) immune protection over time, perhaps from a robust early induction of memory immune cells (CD4 and CD8). The protection was strong and durable
— Scott Gottlieb, MD (@ScottGottliebMD) January 29, 2021
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2/2 This one shot vaccine was highly effective at preventing severe disease, even with new variants. The milieu of disease now is more complex; even in U.S. - trials done today are running into more mutated cases. Make no mistake: this is an important and wonderful development.
— Scott Gottlieb, MD (@ScottGottliebMD) January 29, 2021
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