Vaccines
NIH-Led Clinical Trial Evaluates Investigational COVID-19 Vaccine AZD1222
National Institutes of Health announced the initiation of a multi-site, Phase 3 clinical trial evaluating the investigational COVID-19 vaccine candidate AZD1222. The trial aims to enroll approximately 30,000 adult volunteers at 80 sites in the United States to determine if the vaccine can prevent symptomatic coronavirus disease 2019 (COVID-19)