A Woodland Hills family was shocked to learn that a brain-infecting parasite called raccoon roundworm was found in their dog in January. Christian Lopez said he had taken his dog, Ducky, into the vet for a routine examination when doctors found Baylisascaris eggs in her. Lopez said it was the first time he had heard of it, but quickly learned how serious it is. Doctors found out Ducky had raccoon roundworm during a routine examination. CBS LA The Department of Public Health said it's the first formal report of raccoon roundworm in a dog in Los Angeles County history. Dr. Julio Lopez, whose practice treated Ducky, said in all of his years, he's "Never seen a case like this." Dr. Lopez said if parasites go untreated, pets can develop severe illnesses. "A pet may go blind from parasites or may present with having seizures as well," Dr. Lopez said.Transmission most often occurs when people or pets ingest food or water contaminated with raccoon feces.…