Mae’r Cyd-bwyllgor ar Imiwneiddio a Brechu wedi nodi y dylid estyn gwahoddiad i bobl gydag anabledd dysgu difrifol/dwys ac unigolion â sgitsoffrenia neu anhwylder deubegynol, neu unrhyw salwch meddwl sy’n achosi nam difrifol ar weithrediad, i gael y brechlyn fel rhan o grŵp blaenoriaeth 6.
The Joint Committee on Vaccination and Immunisation (JCVI) has set out that people with a severe/profound learning disability and individuals with schizophrenia or bipolar disorder, or any mental illness that causes severe functional impairment, should be invited for vaccination as part of priority group 6.