This guidance has been developed in collaboration with the sector and professionals in health and Public Health Wales to whom I owe a debt of gratitude.
Mae'r canllawiau hyn wedi'u datblygu ar y cyd â'r sector a gweithwyr proffesiynol ym maes iechyd ac Iechyd Cyhoeddus Cymru ac mae fy nyled yn fawr iddynt.