Healthcare worker COVID study completed: key insights on transmission

NCT ID NCT04336215

Completed Knowledge-focused Sponsor: Rutgers, The State University of New Jersey Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study followed 829 people, including healthcare workers and a comparison group, over several years to understand how SARS-CoV-2 spreads and who gets sicker. Researchers collected swabs, blood, and saliva samples along with survey data. The goal was to identify risk factors for infection and severe disease to better protect healthcare workers and the public.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help identify which healthcare workers are at highest risk for COVID-19 and how the virus spreads, leading to better protection strategies.
What could go wrong: This is an observational study, not a treatment trial, so it won't directly lead to new therapies. Results may not apply to other settings or populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Coronavinae infectious disease COVID-19

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CORONAVIRUS SARS COV-2

Contacts and locations

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Locations

Clinical Research Center Rutgers-Robert Wood Johnson Medical School RWJUH East Tower -

New Brunswick, New Jersey, 08901, United States
Clinical Research Unit Rutgers New Jersey Medical School

Newark, New Jersey, 07103, United States
Environmental and Occupational Health Sciences Institute

Piscataway, New Jersey, 08854, United States
RUCDR Infinite Biologics

Piscataway, New Jersey, 08854, United States
Robert Wood Johnson University Hospital

New Brunswick, New Jersey, 08901, United States
Rutgers School of Dental Medicine

Newark, New Jersey, 07103, United States
University Hospital

Newark, New Jersey, 07103, United States

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