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

https://goodmenproject.com/everyday-life-2/florida-homes-have-a-year-round-asthma-trigger-the-rest-of-the-country-only-gets-in-summer/

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