{"nct_id":"NCT04498247","title":"A Study to Assess Safety, Tolerability, and Immunogenicity of V591 (COVID-19 Vaccine) in Healthy Participants (V591-001)","status":"TERMINATED","status_verified_date":"2021-12","start_date":"2020-08-27","start_date_type":"ACTUAL","primary_completion_date":"2021-03-05","primary_completion_date_type":"ACTUAL","completion_date":"2021-03-05","completion_date_type":"ACTUAL","phases":["PHASE1","PHASE2"],"tickers":["MRK"]}