FDA: N95 masks, now plentiful, should no longer be reused

In this 2020 file photo, a respiratory therapist pulls on a second mask over her N95 mask before adding a face shield as she gets ready to go into a patient's room in the COVID-19 Intensive Care Unit at a hospital in Seattle. (AP Photo/Elaine Thompson)

The Biden administration has taken the first step toward ending an emergency exception that allowed hospitals to ration and reuse N95 medical masks, the first line of defense between frontline workers and the deadly coronavirus.