With new variants appearing which have increased transmissibility, it is as important as ever to take up the offer of a first, and crucially, a second vaccination.
Yn sgil ymddangosiad amrywiolion newydd sy’n fwy trosglwyddadwy, mae hi cyn bwysiced ag erioed i fanteisio ar y cynnig o frechiad cyntaf ac, yn hollbwysig, yr ail frechiad hefyd.