Even after cockroaches vanish, their allergens can stick around, making asthma...

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

Even after cockroaches vanish, their allergens can stick around, making asthma flare-ups a real concern in Florida homes year-round. These tiny irritants hide in unexpected places, so tackling them means more than just seeing no roaches