In Florida, cockroach allergens can stick around all year, making asthma and...

https://fun-wiki.win/index.php/Why_Do_Roaches_Hide_in_Wall_Cavities_and_Appliance_Motors%3F

In Florida, cockroach allergens can stick around all year, making asthma and allergies flare up even after the roaches have left. These tiny particles aren’t easy to spot but can seriously impact your home's air quality