The Washington State Supreme Court has issued Order Number 25700-B-669, requiring all of its employees to become fully vaccinated against COVID-19. A news release from the court, with links to the full order is available here.
The order includes employees of the Washington State Law Library.
Exceptions are provided for workers who can verify a need under the Americans with Disabilities Act, or who can provide a validated religious reason to be unvaccinated.
The Supreme Court detailed a number of reasons why they issued the order, and cited the increased transmissability of the delta variant.