Reporting Hub https://www.jnj.com/coronavirus/ensemble-1-study-protocol https://www.jnj.com/about-jnj/policies-and-positions/our-position-on-information-security https://www.jnj.com/about-jnj/policies-and-positions/our-position-on-data-privacy Leveraging real-world data to support COVID-19 vaccine development: Our teams from Epidemiology, Research & Development, Data Sciences, Global Clinical Organization and scientists across the United States collaborated to analyze data to predict the optimal locations for our vaccine trials, enabling enrollment of people with a higher likelihood of developing COVID-19, thereby enhancing the design of the clinical trials for our COVID-19 vaccine candidate.