EMTs wear "HEPA" respirators to protect themselves from certain infections. What does "HEPA" stand for?

With regards to medical terminology, "HEPA" stands for high-efficiency particulate air. This type of mechanical air filter works by forcing air through fine mesh to trap dangerous particles such as smoke, dander, dust, and other allergens.

Asked by Rachel Bortles · Last updated 5 years ago · 482.1K views · SOURCE