HERO-Together Boost: A post-Emergency Use Authorization observational cohort study to evaluate the safety of the Pfizer-BioNTech COVID-19 vaccine

08/08/2023
10/03/2026
EU PAS number:
EUPAS105791
Study
Finalised
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Documents
Study protocol
Initial protocol

C4591049_PROTOCOL AMENDMENT 1_V2_08MAR2023

English (562.38 KB - PDF) View document
Updated protocol

C4591049_PROTOCOL AMENDMENT 2 V3_25APR2025.pdf

First published: 26/02/2026
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Study results
Study report
Abstract of study report

c4591049-abstract.pdf

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Study report

c4591049-report-body.pdf

English (6.14 MB - PDF) View document
Other information