Mae'r Dirprwy Brif Swyddog Meddygol, Dr Chris Jones wedi ysgrifennu at bob bwrdd iechyd yn gofyn iddynt gymryd camau ar frys i sicrhau bod o leiaf 90% o fyfyrwyr ym mhob ysgol yng Nghymru wedi'u brechu'n llawn erbyn 31 Gorffennaf 2024. Bydd yr ymyrraeth hon wedi'i thargedu yn ategu'r gwaith sydd eisoes yn cael ei wneud gan fyrddau iechyd i ddal i fyny ag apwyntiadau i roi'r MMR.
The Deputy Chief Medical Officer, Dr Chris Jones has written to all health boards asking them to take urgent action to ensure at least 90% of students in every school in Wales is fully vaccinated by 31 July 2024. This targeted intervention will complement MMR catch-up work already being undertaken by health boards.