A newly published case study links a tetanus-diphtheria booster to the onset of a rare autoimmune blood disorder in a previously healthy adult. Researchers say the case highlights major gaps in vaccine safety research and post-market surveillance.
January 25, 2026
A newly published case study links a tetanus-diphtheria booster to the onset of a rare autoimmune blood disorder in a previously healthy adult. Researchers say the case highlights major gaps in vaccine safety research and post-market surveillance.