Bergen and Passaic counties are expanding their COVID-19 testing.

Walk-up saliva tests and antibody tests will be offered to county residents and workers at mobile sites in Bergen County starting Tuesday.

Testing is open to residents without symptoms in Passaic.

A prescription is not required, but priority will be given to anyone in close contact with a positive case.

The William Paterson University testing site will operate Tuesdays, Thursdays and Saturdays.

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