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Welsh: Germau. Allan mewn eiliad, o'n cwmpas am oriau.
Welsh: Dysgwch wers i germau! Canllawiau ynghylch Rheoli Haint ar gyfer Ysgolion Cynradd ac Uwchradd
English: Mind the Germs! Infection Control Guidance for Nurseries, Playgroups and other Childcare Settings
Welsh: Gwyliwch y germau! Canllawiau ynghylch Rheoli Haint ar gyfer Meithrinfeydd, Grwpiau Chwarae a Sefydliadau Gofal Plant eraill