PITTSBURGH (KDKA) – A 15th Port Authority employee — a bus driver who works out of the West Mifflin garage — has tested positive for coronavirus.

Port Authority says it learned of this positive test Thursday. The bus driver last drove on Tuesday and has been recovering at home since.

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The employee had been traveling out of state before testing positive, Port Authority says.

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This is the 15th Port Authority employee to test positive for coronavirus. It’s the agency’s first case since May 5. All the other employees have recovered.

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A crew is deep cleaning the West Mifflin garage as well as the buses recently operated by the driver.