cross-resistance

[kraws-ri-zis-tuh ns, kros-]

noun Biology.

immunologic resistance to the pathogenic effects of a microorganism because of previous exposure to another species or type having cross-reactive antigens.
resistance to the effects of a substance, as that of an insect population to an insecticide or a bacterial strain to an antibiotic, stimulated by exposure and adaptation to a similar or related substance.

Origin of cross-resistance

First recorded in 1945–50