Johnson & Johnson announce effective single-dose COVID-19 vaccine | WNT - ABC News

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1. Johnson & Johnson announce effective single-dose COVID-19 vaccine | WNT  ABC News
2. Johnson & Johnson's Covid-19 vaccine, how it works and why it matters  CNN
3. Biden administration readies battle plan as Covid variants reach the U.S.  Yahoo News
4. Johnson & Johnson's Covid-19 Vaccine Is Good, Despite Lower Efficacy  Bloomberg
5. Dr. Scott Gottlieb discusses effectiveness of J&J Covid-19 vaccine  CNBC Television
6. View Full Coverage on Google News

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