Heddiw, mae'r Cyd-bwyllgor ar Imiwneiddio a Brechu (JCVI) wedi rhoi datganiad gyda chyngor ar gynhyrchion brechlyn ar gyfer rhaglen frechu COVID-19 yr hydref.
The Joint Committee on Vaccination and Immunisation (JCVI) has today provided a statement with advice on the vaccine products for the autumn Covid-19 vaccination programme.