In Florida, cockroach allergens can trigger asthma year-round—even after you...

https://wiki-planet.win/index.php/Do_Bug_Bombs_Actually_Kill_Roaches_in_Walls_and_Under_Appliances%3F

In Florida, cockroach allergens can trigger asthma year-round—even after you don’t see any roaches. These tiny particles stick around in dust and corners, quietly affecting indoor air quality