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

https://wiki-dale.win/index.php/Why_Do_Professionals_Bait_Inside_Voids_Instead_of_Fogging_the_Whole_Room%3F

In Florida, cockroach allergens can stick around long after the roaches disappear, affecting asthma symptoms year-round. Even tiny particles in dust can trigger flare-ups, making it important to keep your home clean and dry