Pets
California Vet Warns Of Deadly Raccoon Roundworm Parasite After Treating Infected Dog: "Never Seen A Case Like This"
"A pet may go blind from parasites or may present with having seizures as well," Dr. Christian Lopez said.
March 4, 2026 / 7:13 AM PST
A Woodland Hills family was shocked to learn that a brain-infecting parasite called raccoon roundworm was found in their dog in January.
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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.
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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.
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