In Florida, cockroach allergens can stick around long after the bugs have left,...

https://www.apu-bookmarks.win/in-florida-cockroach-allergens-can-stick-around-all-year-and-trigger-asthma

In Florida, cockroach allergens can stick around long after the bugs have left, posing a year-round challenge for asthma sufferers. These tiny particles can trigger symptoms even if you don't see roaches