( February 18, 2026, 2:32 PM EST) -- BOSTON — Pursuant to leave granted by a Massachusetts federal judge, physicians’ professional groups and others seeking to challenge changes made by the Centers for Disease Control and Prevention in its vaccine recommendations and other agency actions on Feb. 17 filed a fourth amended complaint, adding to the agency actions challenged in previous complaints the recent reduction of the CDC’s recommended childhood vaccinations from 17 to 11 in alignment with the recommended vaccine schedule of Denmark....