The person is a gate agent who last worked Sunday in Terminal 2 at gates 23, 25, 26 and 27 that day. The individual is not an employee of the airport or the Port of Oakland, which owns and operates the airport.

Port officials said the worker used the men's restroom in the baggage claim area of Terminal 2 and since then the restroom has been disinfected and cleaned. Gates 23, 25, 26 and 27 and the restroom were closed Tuesday night for disinfecting and cleaning.