Pwyllgor cynghori arbenigol annibynnol yw’r Cyd-bwyllgor ar Imiwneiddio a Brechu (JCVI). Mae’n cynghori adrannau iechyd y Deyrnas Unedig ynghylch imiwneiddio, gan wneud argymhellion am amserlenni brechu a diogelwch brechlynnau.
The Joint Committee on Vaccination and immunisation (JCVI) is an independent expert advisory committee, which advises United Kingdom health departments about immunisation, making recommendations about vaccination schedules and vaccine safety.