Doctors test a hospital staffer Tuesday for coronavirus, in a triage tent that’s been set up outside the E.R. at St. Barnabas hospital in the Bronx. Hospital workers are at higher risk of getting COVID-19, and public health experts fear a staffing shortage in the U.S. is coming.

Doctors test a hospital staffer Tuesday for coronavirus, in a triage tent that’s been set up outside the E.R. at St. Barnabas hospital in the Bronx. Hospital workers are at higher risk of getting COVID-19, and public health experts fear a staffing shortage in the U.S. is coming.