Immunization Information System

The Office of Immunization, Immunization Information System Section supports the development, functionality, availability and maintenance of the Washington Immunization Information System as a tool to promote healthy families and protect against vaccine-preventable disease. This includes:

  1. Provide excellent customer service to support WAIIS users & WAIIS applications
  2. Continuously update & improve system functionalities to meet new requirements
  3. Incorporate diversity, equity & inclusion measures to programmatic functions
  4. Support & expand PrepMod vaccination clinic tool
  5. Build a sustainable program that is properly resourced
  6. Improve WAIIS data accuracy & completion through partnerships & initiatives 


Jeff Chorath, Immunization Information System Section Manager, (360) 878-7461