Some people have sought deportation due to fear of contracting COVID-19 inside detention facilities.
The Trump administration has taken multiple steps to speed up deportations and restrict access to asylum.
The president is receiving treatment and will work remotely and through his aides.
The virus poses an additional risk for rescuers and evacuees and will make it harder to persuade people to leave their homes, experts say.
According to Williams Institute research, the Supreme Court's landmark decision also supported some 45,000 jobs.
Nearly 400 migrant children intercepted at the U.S.-Mexico border have been deported in the past two weeks under new border restrictions.
Advocates say the closures will have a devastating impact on the queer community's most vulnerable members.
Unions representing immigration judges and prosecutors called for the shutdown.
Expected travel restrictions to limit the spread of the coronavirus could hurt U.S. fruit and labor production.
If the legislation passes, Canada would become the fourth country in the world to make the medically denounced practice illegal.