depulization

de·pu·li·za·tion

(dē-pyū'li-zā'shŭn),
Destruction of fleas that carry the plague bacillus from animals to humans.
[L. de, from, + pulex (pulic-), flea]

depulization

(dē-pūl″ĭ-zā′shŭn) [L. de, from, + pulex, flea]
Destruction of fleas, including those that carry plague.