Alva Review-Courier -

WASHINGTON (AP) — Federal health officials have revoked U.S. authorization for masks made by more than 60 Chinese manufacturers after they failed to meet standards needed to protect health care workers.

The Food and Drug Administration had allowed the imports based on testing data from the companies. Normally, the masks are tested and certified by a division of the Centers for Disease Control and Prevention before they can be sold in the U.S.

The tight-fitting masks are essential for protecting health care workers treating patients with COVID-19. Faced with critical shortages at U.S. hospitals...