Transfer of Adoptive Immunity to <i>Plasmodium berghei</i>: A Comparison of Routes of Injection*

Abstract

SYNOPSIS. The ability to protect rats against Plasmodium berghei by the transfer of spleen cells by various routes of injection was examined. Intraperitoneal and intravenous injections of cells taken from spleens of recovered rats transferred immunity. Intramuscular injection of the same material was unsuccessful. All injections were derived from the same pool of immune spleen cells and contained equal numbers of trypan blue‐excluding cells.