Groups who are most at risk from influenza and of catching influenza and infecting other members of the community remain the priority for next season.
Grwpiau sy’n wynebu’r risg fwyaf oherwydd y ffliw ac o ddal y ffliw a heintio aelodau eraill o'r gymuned yw'r flaenoriaeth o hyd ar gyfer y tymor nesaf.