One by one, a voice called out the names of 169 people just released by U.S. Border Patrol. Migrants rose from folding chairs in a clinic warehouse and walked to a table of blue-robed workers, who swabbed their mouths.
All but two Cuban women tested negative for COVID-19 that February morning. They were quarantined to motel rooms, while other migrants boarded chartered buses to Phoenix's Sky Harbor International Airport for flights across the U.S.
