Ohio animal health officials are concerned that the novel circovirus has killed several dogs and made dozens of others severely ill in recent weeks. The illness is marked by acute, bloody diarrhea; vomiting; decreased appetite and neurological issues, among other symptoms, and the disease also results in fluid collection in the abdomen and around the lungs, said Ohio veterinarian Melanie Butera. Samples from one of Dr. Butera's patients are being analyzed and compared to samples from dogs that died in California, possibly from the same disease.

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