While opossums are not considered harmful to humans until confronted, their presence and droppings in your home will emit a foul odor and may transmit disease and contaminants. As soon as you notice any evidence of a rodent or mammal infestation in your home, contact a professional wildlife removal service. Varment Guard Wildlife Services has been providing professional wildlife identification, removal, restoration, and exclusion services to the Fort Wayne community for over 20 years.