November 20, 20208 min read, 1554 words
Published: November 20, 2020 | 8 min read, 1554 words
By , and , CNNLink Copied!Ad Feedback — Johnson & Johnson’s Covid-19 single-shot vaccine was shown to be 66% effective in preventing moderate and severe disease in a global Phase 3 trial, but 85% effective against severe disease, the company announced Friday.The vac...
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