Absolutely! Whenever I go to the shelter to volunteer, the first thing I do when I get home is strip down to my underwear in the hallway, leaving my clothes and shoes on the steps, before I enter my kitchen. Don't worry, I have no other neighbors and only I have access to my stairway.

Best thing for fleas, according to my vet is Revolution. It kills fleas, flea eggs, ticks, earmites and takes care of intestinal parasites.