at the earliest time ( 24 h ) when immunized mice were protected against lethal intrapertoneal ( i.p . ) challenge by the bacteria from which which the 'super-active ' antigens were made ( proteus mirabilis ) the leucocytes of peripheral blood from immunized mice showed enhanced phagocytosis and killing of autologous bacteria and there was an increase in the number of lymphocytes producing anti-proteus antibody .
C0023516
leucocytes
C0229664
peripheral blood