( January 28, 2026, 9:09 AM EST) -- BOSTON — On the heels of a request to amend their complaint a fourth time in response to the Centers for Disease Control and Prevention’s Jan. 5 reduction of its recommended childhood vaccinations from 17 to 11, physicians’ professional groups and others moved for a preliminary injunction to block the CDC from implementing or enforcing those changes, as well as its earlier announced changes to COVID-19 vaccine recommendations for children and pregnant women, the hepatitis B vaccine for newborns and other changes to established vaccine recommendations....