TY - RPRT TI - Design of Vaccine Trials during Outbreaks with and without a Delayed Vaccination Comparator AU - Natalie Exner Dean AU - M Elizabeth Halloran AU - Ira M Longini PY - 2016 DO - 10.1101/074088 UR - https://www.biorxiv.org/content/10.1101/074088v1 ID - 10.1101/074088 ER -