Wash. Admin. Code § 296-833-60010
You must immediately report to the local health officer:
(3) Any unusual occurrence of:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-833-60010, filed 11/6/18, effective 12/7/18; WSR 02-23-073, § 296-833-60010, filed 11/19/02, effective 1/1/03.]