Cyngor dros dro yw hwn a bydd y Cyd-bwyllgor ar Imiwneiddio a Brechu yn ystyried rhagor o ddata gwyddonol wrth iddynt ddod i’r amlwg dros y misoedd nesaf cyn datblygu eu cyngor terfynol.
This is interim advice and the JCVI will consider additional scientific data as it becomes available over the next few months ahead of developing their final advice.