What Scientists Know About the Risk of Breakthrough Covid Deaths अक्तूबर 18, 2021 byप्रगतिवादी मंच एक टिप्पणी भेजें Deaths among people who have been fully vaccinated remain rare, but older adults and those with compromised immune systems are at much higher risk. source https://www.nytimes.com/2021/10/18/health/coronavirus-vaccine-powell-breakthrough.html
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