Emergent BioSolutions Receives Department of Defense Award to Evaluate Chikungunya Vaccine Candidate in Post-Approval Field Efficacy Study Using Model-Guided Approach GAITHERSBURG, Md., Nov. 14, 2022 (GLOBE NEWSWIRE) -- Emergent BioSolutions Inc. (NYSE:EBS) announced today a research award by the U.S. Department of Defense (DoD) Congressionally Directed Medical...