Why N95 Masks Are Still In Short Supply In The U.S.

A health worker holds an N95 respirator in the emergency room at OakBend Medical Center in Richmond, Texas, in July. N95s are tested and approved by a federal agency as having demonstrated that they can filter out a minimum of 95% of airborne particles.

Early in the pandemic, shortages of N95 respirators and other medical gear prompted panic across the world. A year later, the masks still aren’t widely available to U.S. consumers.

(Image credit: Mark Felix/AFP via Getty Images)

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Yuki Noguchi