starting monday. union officials say up to one-fifth of fire companies could close. right now new york city police have a 74% vaccination rate, firefighters, only 65%. >> your lives are more important than their mandates. >> reporter: mayor bill de blasio facing pressure from sanitation workers, too, some letting trash pile up on sidewalks in protest. >> anyone who's not doing their job, you're harming your fellow sanitation workers, and you're harming your neighbors and the people in new york city, and it's time to stop. >> reporter: the battle over vaccine mandates is extending beyond new york, not just in street rallies but in courtrooms. missouri's governor just barred state offices from punishing those who declined the vaccine. 21 attorneys general have signed this letter challenging the biden administration vaccine requirement for federal