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

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

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