On Aug. 4, 2020, Novavax announced Phase 1 data from its Phase 1/2 randomized, observer-blinded, placebo-controlled trial of its COVID-19 vaccine with and without Matrix-Mﾙ adjuvant in healthy adults 18-59 years of age. NVX-CoV2373, the Companyﾒs recombinant COVID-19 vaccine candidate adjuvanted with Matrix-M, was generally well-tolerated and elicited robust antibody responses numerically superior to that seen in human convalescent sera.