1. Excerpt from Report of the Director of the Hospital to the Board of Scientific Directors of the Rockefeller Institute for Medical Research, April 20, 1918 Publication: Produced: 20 April 1918 Subject(s): Pneumococcal InfectionsStreptococcal InfectionsBacterial VaccinesTherapeutics Archival Collection: The Oswald T. Avery Collection (Profiles in Science)