In Florida, cockroach allergens are a hidden trigger for asthma...

https://www.4shared.com/office/aVKLJ_ujku/pdf-23539-72744.html

In Florida, cockroach allergens are a hidden trigger for asthma sufferers—sticking around long after the roaches have left. These allergens can linger in your home’s nooks and crannies, quietly affecting air quality