Effect of season of immunization of the induction of delayed contact sensitivity in the guinea pig.
The degree of delayed contact sensitivity induced in guinea pigs was greater when sensitization was attempted in winter than when attempted in spring and summer.
D000818:Animals; D001683:Biological Clocks; D006168:Guinea Pigs; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D008297:Male; D012621:Seasons