"declararse (epidemia)" in English

to come out- to set in- to break out- to enter a plea- to declare- to declare oneself

to aver- to bid- to bid- to call- to call- to meld- to meld- to proclaim- to protest- to zone- to depose- to declare- to state- to adjudge- to affirm- to announce- to give evidence- to testify

epidemic