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THE BRONX — Eight animals in total at the Bronx Zoo have now tested positive for COVID-19, officials said.

On April 5, a tiger tested positive. Now four other tigers and three lions have also tested positive for novel coronavirus, according to the Wildlife Conservation Society. Most of the animals had coughs.

The test for animals is different than the test for people; it uses a fecal sample. They weredone in veterinary laboratories.

“All eight cats continue to do well,” according the WCS. “They are behaving normally, eating well, and their coughing is greatly reduced.”

The lions and tigers were tested out of an abundance of caution.

They were infected by a staff person, according to WCS. That worker was either asymptomatic or it was before that person developed symptoms.

“Preventive measures are now in place for all staff who are caring for them, and the other cats in our four WCS zoos, to prevent further exposure of any of our felids in our zoos to the disease,” according to the WCS.