### Question
Can you define what priority countermeasure means?


### Answer
**Priority countermeasure** is defined as the following in *42 U.S.C. § 247d*:

> a drug, biological product, device, vaccine, vaccine adjuvant, antiviral, or diagnostic test that the Secretary determines to be—


(A) a priority to treat, identify, or prevent infection by a biological agent or toxin listed pursuant to section 262a(a)(1) of this title, or harm from any other agent that may cause a public health emergency

#### Citation:
  - *42 U.S.C. § 247d*
  - Heading: **CHAPTER 6A-PUBLIC HEALTH SERVICE > SUBCHAPTER II-GENERAL POWERS AND DUTIES > Part B-Federal-State Cooperation**

