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Pfizer says trial showed its COVID-19 vaccine was 100 percent effective in adolescentsSpeed Read
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How will America's accelerating COVID-19 vaccination drive affect the looming 4th wave of infections?Speed Read
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Iowa teenager invents color-changing sutures that could curb infection ratesfeature
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WHO chief surprisingly says coronavirus origin question warrants further investigationSpeed Read
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Canada halts AstraZeneca COVID-19 vaccine for people 55 and under, citing 'uncertainty' on blood clotsSpeed Read
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Moderna and Pfizer vaccines 'highly effective' at preventing infections in CDC studySpeed Read
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WHO-China draft report on COVID-19 origins says Wuhan lab leak 'extremely unlikely'Speed Read
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Trial to study delivering AstraZeneca COVID-19 vaccine as a nasal spraySpeed Read
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Once nearly extinct, American bald eagle population has quadrupled since 2009feature
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A pro-Trump evangelical advised getting the COVID-19 vaccine. His fans revolted.feature
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AstraZeneca says revised data shows COVID-19 vaccine 76 percent effectiveSpeed Read
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Indonesian man spends 24 years transforming fire-ravaged land into lush ecosystemfeature
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Zuckerberg calls for Section 230 reforms — but they may help FacebookSpeed Read
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COVID-19 vaccines appear to cause sharp drop in infections in groups of American, Israeli health-care workersSpeed Read
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