An employee at the U.S. Immigration and Customs Enforcement’s detention center in Elizabeth is being tested for coronavirus and is currently self-quarantined, according to an ICE statement sent Sunday.

As of March 13, there were no confirmed cases of COVID-19 at the Elizabeth Detention Center, officials said in the statement, but one staffer is undergoing testing. The staffer began the quarantine because they were “not feeling well.”

No detainees in custody nationwide have been diagnosed with COVID-19, according to the agency.

Infected detainees without symptoms, or those with mild symptoms will be placed in an isolation room within the facility, according to the statement. Detainees with moderate or severe symptoms, or those at high risk, will be taken to hospitals.

“ICE is taking important steps to further safeguard those in our care," officials said. “As a precautionary measure, we are temporarily suspending social visitation in all detention facilities.”

Undocumented immigrants should continue to seek necessary medical care, officials said. ICE will not make arrests at medical facilities except in “extraordinary circumstances,” they said.

The spread of coronavirus in the nation’s jails and detention centers has been a concern.

The New Jersey Department of Corrections has also suspended visits at prisons and halfway houses as the number of cases in New Jersey rises. There are no confirmed cases of COVID-19 in state-run facilities as of Saturday, state officials said.

New Jersey jails say they have followed established infection-prevent protocols during the current outbreak.

Nearly 100 New Jersey residents have been sickened with the novel coronavirus, and two died.

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Katie Kausch may be reached at kkausch@njadvancemedia.com. Follow her on Twitter @KatieKausch. Find NJ.com on Facebook.

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