The definitions in this section apply throughout this chapter unless the context clearly requires otherwise:

(1) "Health carrier" has the same meaning as defined in RCW 70.290.010.

(2) "Secretary" means the secretary of the department of health.

(3) "Third-party administrator" has the same meaning as defined in RCW 70.290.010.

(4) "Washington vaccine association" or "association" means the association created under chapter 70.290 RCW. The association collects and remits adequate funds from health carriers and third-party administrators for the cost of vaccines provided to certain children in Washington state.