(CNN) US Citizenship and Immigration Services is suspending its in-person services, including all interviews and naturalization ceremonies, to help mitigate the spread of coronavirus, according to the agency.

The suspension is effective Wednesday until at least April 1. It includes all field offices, asylum offices and Application Support Centers, which collect fingerprints and biometrics.

Employees will continue to work on services that do not require face-to-face contact with the public, said the spokesperson.

USCIS is responsible for administering the nation's legal immigration system, including green cards, citizenship and asylum and refugee processing. It also administers naturalization ceremonies across the country -- one of the most public and cherished duties the agency carries out.

Field offices will send notices to applicants with scheduled appointments and naturalization ceremonies impacted by the closure. Asylum interviews will be canceled and automatically rescheduled with a new date and time.

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