Wildlife officials say antibodies found in early results of a historic new vaccine trial are expected to give endangered California condors at least partial protection from the deadliest strain of avian influenza in U.S. history
The California condor is the only bird species in the U.S. that has been approved for the new emergency-use vaccine, which was administered this summer to condors bred in captivity during a trial at the Los Angeles Zoo, the San Diego Zoo Safari Park and the Oregon Zoo.
“Losing 20 birds is effectively akin to setting the recovery program back by 10 years,” said Dr. Hendrik Nollens, vice president of wildlife health for the San Diego Zoo Wildlife Alliance. The population was nearly wiped out by hunting during the California Gold Rush in the mid-1800s, as well as by poisoning from toxic pesticide DDT and lead ammunition.
“Human intervention, veterinary intervention, is not something we do all the time or take lightly,” he said. “It wasn’t an easy decision.”
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