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Recent breakthroughs on Covid-19 vaccines offer ray of hope, says UN chief Guterres

This week, global drugmakers Pfizer and BioNTech said their Covid-19 vaccine candidates were 95% effective, including in adults over 65 years of age
Last Updated : 21 November 2020, 18:02 IST
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Published 21 November 2020, 07:44 IST

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