Drwy gyfrwng ymgyrchoedd diweddar yn y cyfryngau, mae Llywodraeth Cynulliad Cymru hefyd wedi parhau i hyrwyddo'r angen i grwpiau risg (fel menywod beichiog) gael eu brechu. Mae Swyddfa'r Prif Swyddog Meddygol wedi cyhoeddi canllawiau i feddygon teulu yn eu hannog i frechu'r grwpiau hyn. Nid yw'n rhy hwyr i'r grwpiau hyn i gael eu brechu, er bod diwedd y cyfnod pryd y gall y brechiad fod yn effeithiol ar gyfer y tymor ffliw hwn yn prysur agosáu. Gall triniaethau gwrthfeirysol yn ystod camau cynnar y ffliw leihau cymhlethdodau a hyd y salwch. Mae digon o gyffuriau gwrthfeirysol ar gael er bod y dosau hylif ar gyfer plant o dan 1 oed angen cael eu paratoi'n arbennig ac maent ar gael drwy fferyllfeydd ysbytai.
Through recent media activity WAG has also continued to promote the need for risk groups (such as pregnant women) to be vaccinated. The Chief Medical Officer’s Department has also issued guidance to GPs encouraging them to vaccinate these groups. It is still not too late for these groups to become vaccinated, although the window of opportunity for vaccination to be effective during this flu season year is now becoming smaller. Antiviral treatment in the early stages of influenza can reduce complications and the length of illness. Antivirals are widely available although liquid doses for under 1 year olds need special preparation and are available through hospital pharmacies.