1. The sera of rabbits subjected to a single antigenic stimulus with Type I pneumococci were analyzed for antibodies to the commonly recognized pneumococcal antigens.

  2. The data are tabulated and are found comparable to similar analyses of sera of human patients recovered from pneumococcal infections and of human subjects injected with small quantities of pneumococci or type-specific pneumococcal polysaccharides.


The work reported in this communication was carried out in part under the Commission on Acute Respiratory Diseases, Army Epidemiological Board, Office of the Surgeon General, United States Army, and in part under the Harkness Research Fund of the Presbyterian Hospital, New York.

This content is only available via PDF.