Nurses look at a screen near rooms with patients suffering from COVID-19, in the ICU unit at the Charles Nicolle public hospital, in Rouen, France, April 15, 2021. France is rolling out a new rule that will allow health workers who are infected with the coronavirus but have few or no symptoms to keep treating patients rather than self-isolate. The extraordinary stop-gap measure is an attempt to address staff shortages at hospitals caused by an unprecedented explosion in virus infections. (AP Photo/Christophe Ena, File)
