Another Queensland, Australia, horse has been euthanized after testing positive for hendra virus late last night (Oct. 10), according to a press release from Biosecurity Queensland. The horse, which was residing on a property in Caboolture, reportedly became sick over the weekend and was treated by a private veterinarian, the release said.

"Another horse was euthanized at this property over a week ago," said Queensland Chief Veterinary Officer Rick Symons, BVSc, MBA, PhD. "Biosecurity Queensland is seeking samples from that horse as well to test for hendra virus. There are two remaining horses on the property, and Biosecurity Queensland is in the process of quarantining the property and will assess and monitor the other horses at this location over the next month."

Australia has now seen 22 confirmed cases of hendra virus since June of this year; twelve cases have been confirmed in Queensland and 10 in New South Wales.

Hendra virus has been known to yield numerous clinical signs in horses including respiratory distress, frothy nasal discharge, elevated body temperature (above 40°C, or 104°F), and elevated heart rate; however, authorities caution that hendra infection does not have specific signs

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