States no longer have to report Medicaid, CHIP vaccination rates to CMS, further undermining immunization Public health will have less vaccination data when it is most needed

https://www.statnews.com/2026/01/14/childhood-vaccine-policy-data-reporting-rollback-cms/ By Jill RosenthalJan. 14, 2026 Rosenthal is the director of public health policy at the Center for American Progress.