The Chief Medical Officer for Wales Dr Frank Atherton has written to all of them asking them to take shielding measures – including staying at home for 12 weeks – to protect their health.
Mae pob bwrdd iechyd yng Nghymru yn cael digon o frechlynnau i sicrhau bod ail ddosau’n cael eu darparu o fewn y cyfnod a argymhellir, sef 12 wythnos.