As hospitals across the United States brace for a difficult six months — with the first wave of the coronavirus pandemic still raging and concerns about a second wave in the fall — some are acutely short-staffed because of an ill-timed change to immigration policy and its inconsistent implementation.

A proclamation issued by President Donald Trump on June 22, barring the entry of most immigrants on work visas, came right as hospitals were expecting a new class of medical residents. Hundreds of young doctors were unable to start their residencies on time.

Trump’s order included the H1-B visa for highly skilled workers, which is used by some practicing doctors abroad who get U.S. residency slots. The proclamation stated that doctors “involved with the provision of medical care to individuals who have contracted COVID-19 and are currently hospitalized” should be exempt from the ban, but it delegated the issuing of guidance to the departments of State and Homeland Security. That guidance has been slow and inconsistent.

Many consulates started approving doctors’ visas on Thursday, after ProPublica asked the State Department about […]