In Florida, cockroach allergens can stick around long after the pests...

https://lanesmasterop-ed.yousher.com/what-should-i-do-with-cardboard-in-the-garage-if-i-m-fighting-roaches

In Florida, cockroach allergens can stick around long after the pests themselves have left, silently worsening asthma symptoms year-round. Even if you don’t see roaches, leftover allergens in your home can trigger reactions