In Florida, cockroach allergens can linger long after the roaches disappear,...

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

In Florida, cockroach allergens can linger long after the roaches disappear, making asthma symptoms worse for many families year-round. Even a few hidden spots can cause problems because these allergens stick around in dust and crevices