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

https://delta-wiki.win/index.php/Why_Did_My_Kid%E2%80%99s_Asthma_Not_Improve_After_Pest_Control_Treatment%3F

In Florida, cockroach allergens can trigger asthma symptoms year-round—even long after the roaches are gone. These tiny particles linger in dust and can be tough to fully remove