Yn unol â chyngor gan y Cyd-bwyllgor ar Imiwneiddio a Brechu, bydd oedolion cymwys 18 oed a hŷn yn cael cynnig y brechlyn Moderna i ddechrau sy’n eu hamddiffyn rhag y straen gwreiddiol COVID-19 a’r amrywiolyn Omicron. Bydd y rhai sy’n gymwys o dan 18 oed yn cael cynnig y brechlyn Pfizer. Bydd y ddau frechlyn yn cael eu cynnig o leiaf tri mis ar ôl dos blaenorol.
In line with advice from the Joint Committee on Vaccination and Immunisation (JCVI), eligible adults aged 18 and over will initially be offered the Moderna vaccine which protects from both the original strain of coronavirus and the Omicron variant. Those eligible aged under 18 will be offered the Pfizer vaccine. Both vaccines will be offered at least three months after a previous dose.