County clarifies that Pfizer-funded reminder postcards use limited registry data, supervisors ask for clearer opt-out
Dec 17, 2025
Administrator said an external vendor paid by Pfizer mails immunization reminder postcards using minimal data from the Wisconsin Immunization Registry; supervisors pressed for clearer opt-out language and assurance no protected health information is shared.
The full story
Administrator Witt briefed the committee on a long-running program in which the county sends childhood immunization reminder postcards. Witt said the county now contracts with an external vendor in Toronto that mails the postcards; the vendor receives payment from Pfizer for the mailing service, which reduces county costs.
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