A Study of Ad26.COV2.S for the Prevention of SARS-CoV-2-Mediated COVID-19 in Adult Participants
Conditions
- Participants With or Without Stable Co-morbidities Associated With Progression to Severe COVID-19 at Different Stages of the Protocol
Interventions
- BIOLOGICAL: Ad26.COV2.S
- OTHER: Placebo
Sponsor
Janssen Vaccines & Prevention B.V.