In Florida, cockroach allergens stick around year-round—even after the roaches...

https://www.coast-bookmarks.win/in-florida-s-warm-climate-cockroach-allergens-can-stick-around-all-year-and

In Florida, cockroach allergens stick around year-round—even after the roaches are gone—and can worsen asthma symptoms. These tiny particles hide in places like behind the fridge or under mulch