State of Arizona et al v. Kennedy et al

  1. September 03, 2026

    Trump Admin Fights Uphill To Beat Vaccine Overhaul Suit

    A California federal judge indicated Thursday that he is likely to reject the federal government's bid to toss litigation from states challenging the Trump administration's decision to cut vaccine recommendations for American children, saying he thinks the states have standing based on the effect the change will have on their healthcare systems.

  2. February 24, 2026

    Ariz., Calif. Lead Suit Over 'Senseless' HHS Vaccine Overhaul

    Arizona and California are leading a coalition of states challenging the U.S. Department of Health and Human Services' decision to cut vaccine recommendations for American children, alleging in a lawsuit Tuesday that the "unprecedented attack" stems from HHS Secretary Robert F. Kennedy Jr.'s "unscientific hostility to vaccines."