Rift Valley fever MP-12 vaccine Phase 2 clinical trial: Safety, immunogenicity, and genetic characterization of virus isolates. - Pittman, Phillip R.; Norris, Sarah L.; Brown, Elizabeth S.; Ranadive, Manmohan V.; Schibly, Barbara A.; Bettinger, George E.; Lokugamage, Nandadeva; Korman, Lawrence; Morrill, John C.; Peters, Clarence J. (Vaccine, 2016)