Alternatively, the person getting more flea bites may be spending more time in areas of the house where fleas are developing. (fleascience.com)
You may want to have changing supplies in other areas of the house as well for convenience. (webmd.com)
You also might want to keep your cat away from certain areas of the house where you have guests, other pets, or so that family members with cat allergies get a break. (cat-lovers-only.com)