Medical Practices Bring Clout to Legal Battles Over Virus Orders

The decision by three health-care practices in Michigan to join the ranks of businesses fighting against their state’s emergency Covid-19 orders may bring added heft to a growing tide of litigation that is testing the bounds of executive power.

Officials in some states have chosen to extend stay-at-home orders and keep nonessential businesses shuttered in an effort to stop the spread of the coronavirus, leading to protests and lawsuits around the country from opponents eager to get back to work.

But the case filed this week in the U.S. District Court for the Western District of Michigan against Gov. ...