Mae Swyddogion Meddygol y DU wedi penderfynu bod y manteision tebygol ychwanegol o leihau’r tarfu addysgol, a'r gostyngiad canlyniadol o ran niwed i iechyd y cyhoedd yn cynnig digon o fantais ychwanegol i argymell o blaid brechu'r grŵp oedran hwn. Mae hyn yn ychwanegol at y fantais fach ar lefel unigol a nodwyd eisoes gan y Cyd-bwyllgor.
The UK CMOs have decided that the additional likely benefits of reducing educational disruption and the resulting reduction in public health harm provide enough extra advantage to recommend in favour of vaccinating this group. In addition, there is a small advantage at an individual level as already identified by the JCVI.