Mae ymarfer ‘gwersi a ddysgwyd’ wedi dechrau i sicrhau bod unrhyw wersi o’r achos hwn yn gallu cyfrannu at gynllunio a rheoli camau nesaf yr hyn sy’n dal i fod yn rhaglen frechu ragorol.
A lessons learned exercise has also been started to ensure any learning from this incident can be fed back into the planning and management of future phases of, what continues to be, our excellent vaccination programme.