Coccidia are microscopic, single-celled parasites that infect the intestine. A Coccidia infestation can cause a watery, sometimes bloody diarrhea that can be life-threatening problem to a young or small pet.
Coccidia are organisms contained in the suborder Eimeriorina Leger, 1911, which is the largest subgroup of the protist phylum Apicomplexa Levine, 1970[1].
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