{"nct_id":"NCT06633835","title":"Impact of Reactogenicity of the 2024-2025 COVID-19 Vaccines on Health Care Workers and First Responders in the United States","status":"ACTIVE_NOT_RECRUITING","status_verified_date":"2025-03","start_date":"2024-09-20","start_date_type":"ACTUAL","primary_completion_date":"2025-06-30","primary_completion_date_type":"ESTIMATED","completion_date":"2025-08-31","completion_date_type":"ESTIMATED","phases":["PHASE4"],"tickers":["NVAX"]}