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ROCHESTER — If your dog or cat gets to romp around outside a lot, especially in natural areas, he or she may come across an irresistible, yet flea-infested animal or animal carcass on which to chomp.

Nearly 850 species of parasites are known to infect people; some, like the potentially deadly plasmodium parasite that causes ...

Be careful next time you change the kitty litter — cat poop can carry a nefarious parasite that may be much more widespread than thought, researchers say. Cats in the United States release about 2.6 ...