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Key Record Dates Identifier: NCT04949490
Brief Title: A Trial Investigating the Safety and Effects of One or Two Additional Doses of Comirnaty or One Dose of BNT162b2s01 in BNT162-01 or BNT162-04 Trial Subjects

First Submitted : June 25, 2021
First Submitted that Met QC Criteria : June 25, 2021
First Posted : July 2, 2021

Last Update Submitted that Met QC Criteria : January 12, 2022
Last Update Posted : January 13, 2022