The ruling bars U.S. agencies from implementing the order to end birthright citizenship for children born to migrants in the U.S. temporarily or without legal status while the case is under review.
An email obtained by NPR says NIH employees are subject to a travel freeze and offers of employment are being rescinded. Scientists worry about disruptions to critical research.
Trump issued a flurry of executive orders and other actions on health care this week. Other than signaling he intends to reverse many of Biden's moves, the orders will have little immediate impact.