In Florida, cockroach allergens can stick around long after the pests...

https://atomic-wiki.win/index.php/Do_Roaches_Mean_My_House_Is_Dirty_or_That_Florida_Is_Just_Florida%3F

In Florida, cockroach allergens can stick around long after the pests themselves have left, silently worsening asthma symptoms year-round. Even if you don’t see roaches, leftover allergens in your home can trigger reactions