As with so much else, the coronavirus pandemic has devastated medical tourism. Compounding the decline, multiday protests in May and June against police brutality have also given travelers pause, depriving hospitals of some of their best-paying customers, according to those who work in the industry.

“Unfortunately, the future looks bleak,” said Trey Hulsey, a co-founder of Hayakoum, a three-year-old service that handles travel arrangements for patients from the Middle East bound for hospitals in Boston, Houston and Philadelphia. “It’s just been one blow after another.”