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

https://bizzmarkblog.com/is-it-true-cockroach-allergen-is-worse-in-southern-kitchens/

In Florida, cockroach allergens can linger long after the bugs have left, making asthma flare-ups a year-round concern. These tiny particles can trigger symptoms even when you don’t see any roaches