![Rick Pollack Perspective 900x400 12-2023](/sites/default/files/2023-12/Rick-Pollack-Perspective-900x400px-12-23.png)
The National Institute for Occupational Safety and Health this week revoked eight N95 filtering facepiece respirator approvals and four powered air-purifying respirator approvals issued for the COVID-19 public health emergency that ended May 11, meaning health care providers may no longer use them.