title: MOUSE-PROTECTIVE TITERS OF SERA OF VOLUNTEERS FOLLOWING INJECTION OF PNEUMOCOCCI OR THEIR TYPE-SPECIFIC POLYSACCHARIDES.
abstract: 1. Sera of human subjects immunized with pneumococci or their type-specific polysaccharides showed type-specific antibody by mouse protection tests as well as on determinations of the specifically precipitable nitrogen. 2. The ratio, mouse-protective units to antibody nitrogen, was less in human sera of low potency than in more potent human or animal sera.
authors.affiliation: Bureau of Laboratories of the Department of Health of the City of New York, New York.
authors.forename: A W
authors.initials: AW
authors.lastname: Walter
authors.forename: E L
authors.initials: EL
authors.lastname: Schenkein
authors.forename: W D
authors.initials: WD
authors.lastname: Sutliff