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Collection: Databases of international organizations Database: EuropePMC Type of study: Experimental Studies / Randomized controlled trials Topics: Vaccines / Variants Language: English Journal: The Journal of infection Year: 2022 Document Type: Article

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Collection: Databases of international organizations Database: EuropePMC Type of study: Experimental Studies / Randomized controlled trials Topics: Vaccines / Variants Language: English Journal: The Journal of infection Year: 2022 Document Type: Article