FEMA’s Hurricane Aid to Puerto Rico and the Virgin Islands Has Stalled

ST. CROIX, U.S. Virgin Islands — More than two years after back-to-back hurricanes ravaged this tropical island, medical workers are still treating gunshot wounds in hallways and kidney failure in a trailer. They ignore their own inflamed rashes that they say are caused by the mold that has shut down an entire hospital floor below a still-porous roof.

At least they have a hospital. The lone medical center on Vieques, an idyllic island that is part of Puerto Rico, was severely damaged by Hurricanes Maria and Irma, then abandoned to...