Take in consideration how fleas work, they drop off of your pet while they sleep, they wait for a blood meal, and they can wait a long time, once infested it takes some patience and work to get rid of them.
Our flea season is reaching its peak and will continue through October for our pets and us. Fleas are more than an itch. Over the centuries, they have killed hundreds of millions of people and billions of animals.They are Public Health Enemy No. 1 worldwide.