• 1 January 1976
    • journal article
    • research article
    • Vol. 27  (3) , 385-390
Abstract
Free P. berghei parasites were incubated with a standardized amount of [rat] immune serum in a small or large volume of fluid. When these parasites were tested for infectivity in vivo test system, the parasites incubated in the larger volume of fluid were more infective. Other samples of free P. berghei parasites were incubated with a standardized amount of immune serum and then reincubated with or without dilution of the suspending fluid. Those parasites reincubated after dilution were more infective than those reincubated without dilution. The malaria parasite-protective antibody interaction is apparently readily reversible, probably due to the low avidity of the protective antibodies.

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