The National Institute of Allergy and Infectious Diseases (NIAID) announced the commencement of the Phase III trial (NCT04611802) of the Novavax investigational COVID-19 vaccine, in a press release issued on Monday, December 28, 2020. The trial will evaluate the effectiveness, immune response, and safety of a COVID-19 vaccine candidate developed by Novavax, Inc., of Gaithersburg, Maryland, called NVX-CoV2373, and is estimated to complete data collection by March 31, 2021.