"Because intestinal works can infect people... Treat puppies early and repeatedly to prevent infection with roundworms and hookworms, both of which can cause disease in humans, particularly children. The CDC recommends that both puppies and their mother receive an appropriate anthelmintic (deworming medication) at 2, 4, 6, and 8 weeks old...

"Mature dogs should have a stool sample examined annually or any time abnormal stools occur" (Lewis Sinclair. "The Right Time to Deworm." Dog Fancy, Oct. 2004: 58).

Colby Glass, MLIS