vaccines
Most Democratic-led states plan to keep recommending the hepatitis B vaccine for newborns. This stance opposes new federal guidance from a panel selected by Health and Human Services Secretary Robert F. Kennedy Jr. The decision highlights ongoing tensions over vaccine policies.
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Scientists have developed an experimental vaccine that protects mice from life-threatening allergic reactions for at least a year. The vaccine, named IgE-K, targets immunoglobulin E antibodies to prevent anaphylaxis. Researchers hope it could offer long-term protection for humans with severe allergies.