What to know
Immunization information systems (IIS) are confidential, population-based, computerized databases that record all immunization doses administered by participating providers to persons residing within a given geopolitical area. This information details how to access immunization records for vaccine recipients who received a vaccine in Washington.
General Information
Washington's IIS is the Washington State Immunization Information System (WA IIS), and it includes immunization records for vaccine recipients of all ages. Visit this webpage to learn more about the IIS.
Child Consent to Participate
For children, WA IIS requires implicit consent with opt-out by operational policy. Children are included in the IIS unless their parent(s)/guardian(s) choose to opt them out.
Adult Consent to Participate
For adults, WA IIS requires implicit consent with opt-out by operational policy. Adults are included in the IIS unless they choose to opt out.
Provider Reporting
Washington does not have a mandate for vaccination providers to report immunizations to WA IIS. The operational reporting policy:
- Establishes voluntary provider reporting.
Data Sharing
Washington does have a policy that regulates sharing data from WA IIS with other public health entities. The operational data sharing policy:
- Requires a data use/sharing agreement or memorandum of understanding.