{"nct_id":"NCT05212168","title":"Norovirus Challenge Study","status":"COMPLETED","status_verified_date":"2025-04","start_date":"2021-12-27","start_date_type":"ACTUAL","primary_completion_date":"2023-04-13","primary_completion_date_type":"ACTUAL","completion_date":"2023-10-27","completion_date_type":"ACTUAL","phases":["PHASE1","PHASE2"],"tickers":["VXRT"]}