{"nct_id":"NCT04533399","title":"A Study Looking at the Effectiveness and Safety of a COVID-19 Vaccine in South African Adults","status":"COMPLETED","status_verified_date":"2022-02","start_date":"2020-08-17","start_date_type":"ACTUAL","primary_completion_date":"2021-12-07","primary_completion_date_type":"ACTUAL","completion_date":"2022-01-19","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["NVAX"]}