A judge halted President Joe Biden’s federal vaccine mandate for healthcare workers in ten states on Monday, court documents show.

Missouri-based U.S. District Judge Matthew Schelp, who was appointed by former President Donald Trump, issued the preliminary injunction for employees at Medicare and Medicare-certified medical facilities in North and South Dakota, Nebraska, Wyoming, New Hampshire, Missouri, Kansas, Iowa, Alaska, and Arkansas. Under the Biden administration’s mandate, healthcare workers who work at hospitals, nursing homes, and other healthcare facilities that receive federal funding have been ordered to get vaccinated against COVID-19 by January 4, receive a medical or religious exemption, or face firing.