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The Maricopa County Department of Public Health is working with state and federal authorities to respond after avian influenza was detected in a “small number of animals” that are part of the Litchfield Park zoo collection, officials said Wednesday. It was announced on .

“Overall, the risk to the general public and zoo visitors remains low,” the county release said.

Wildlife World Zoo identified the sick animal and brought it to the Arizona Department of Agriculture for testing. Test results showed that the animals were likely infected with H5N1 avian influenza, which was first detected in wild birds in the United States in 2015, the statement said.

MCDPH is working with zoos to identify and contact staff and volunteers who may be at high risk due to close, prolonged contact with infected animals.

“People who have work-related contact with infected animals, especially those who have had close contact for an extended period of time, are at increased risk of infection,” said Dr. Nick Staab, MCDPH’s associate medical director.

“Public Health Agency recommendations are intended to reduce the risk and prevent further exposure for those who have had direct contact with infected animals.”

“We are very sad to report the loss of several precious animals, but thanks to the quick response, robust biosecurity protocols, and invaluable support of Maricopa County,” said Wildlife World Zoo President Christy Hayden. We are grateful that the impact was limited.” Department of Public Health and state and federal agencies. ”

Avian influenza H5 is a new influenza A virus that primarily affects birds. In Arizona, it has recently been detected at a commercial poultry farm in Pinal County and a backyard flock in Maricopa County, officials said.