(CNN) More than 2,000 people in Immigration and Customs Enforcement custody are being quarantined amid an outbreak of mumps and other diseases.

The numbers of immigrants in custody with a contagious diseases has spiked in the past year. For the previous two years, the agency has not encountered a single case of mumps among its detainees.

"As of March 7, 2019, there was a total of 2,287 detainees cohorted for exposure to a detainee with a contagious condition," said ICE spokesperson Brendan Raedy in a statement.

In the past 12 months, there have been health investigations at 51 ICE detention facilities for mumps, chickenpox and influenza, according to Raedy.

There have been 236 reported cases of mumps, with another 16 suspected cases during this time period.

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