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Continue to ChatCovid vaccine: First 'milestone' vaccine offers 90% protection https://www.oodaloop.com/briefs/2020/11/09/covid-vaccine-first-milestone-vaccine-offers-90-protection/
Covid vaccine: First 'milestone' vaccine offers 90% protection https://www.oodaloop.com/briefs/2020/11/09/covid-vaccine-first-milestone-vaccine-offers-90-protection/