FALMOUTH (CBS) – The Steamship Authority is taking containment steps after one of its employees tested positive for COVID-19.

The worker, who is not being identified, last worked on a ferry that left from Hyannis for Martha’s Vineyard at noon Tuesday, Aug. 15.

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The employee learned of the positive test result the following Friday and informed the Steamship Authority immediately.

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The Steamship Authority informed other crew who may have had contact with the employee and cleaned the ship thoroughly.

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Officials said it’s not likely the worker had any contact with passengers.