Depends what the household animal was and what the other animal was.
A carpet.
A carpet!
Cross contamination means the growth of microrganism in animal cell culture.
because it a mammal that is a household pet{because it a mammal and cant be kept inside a house without a regestration/licence}wich makes the dog a animal(household)
There is no possible way for that to happen.
lion
Album, animal, apple, apron, armchair, artwork and automobile are things around the household.
washing machine animal
A pet is an animal kept for companionship and enjoyment or a household animal, as opposed to livestock, laboratory animals, working animals.
Household fish are really bad about this.
animal control i don't know
cow