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Key Record Dates

ClinicalTrials.gov Identifier: NCT04981405
Brief Title: Real-world Evidence of COVID-19 Vaccines Effectiveness

First Submitted : July 26, 2021
First Submitted that Met QC Criteria : July 26, 2021
First Posted : July 29, 2021

Last Update Submitted that Met QC Criteria : July 28, 2021
Last Update Posted : August 4, 2021