March 5, 2024

HERO-TOGETHER: A Safety Surveillance Study of Post- Vaccination Events of Interest among People Vaccinated Against COVID-19

Page last updated September 2, 2025

ClinicalTrials.gov#: NCT04342806
Study Design: Prospective Observational Study
PCORnet Infrastructure: Single IRB, Patient partners or engagement
Principal Investigator: Emily O'Brien
Institution: Duke Clinical Research Institute
PCORnet® Network Partner: The Coordinating Center for PCORnet®
Funder: Pfizer
Funding Date: 2020
Study Duration: 2020 – 2022
Participating PCORnet® Clinical Research Networks: GPC, OneFlorida+, PaTH, REACHnet, STAR, The Coordinating Center for PCORnet®
Therapeutic Area: Infectious Disease
Status: Completed

Research Question(s): Can a research registry of people working in healthcare help to answer important questions about the COVID-19 pandemic on medications, vaccines and healthcare worker well-being?