“Mae angen tystiolaeth wyddonol bellach ar fanteision gorchuddion wyneb i’r cyhoedd. Ond hyd yma mae canfyddiadau arsylwadol yn awgrymu y gall gorchuddion wyneb tair haen, sy’n cael eu prynu neu eu gwneud gartref, atal trosglwyddiad haint o un person i berson arall os yw’r gorchuddion hyn yn cael eu gwneud, eu gwisgo, eu trin a’u gwaredu yn briodol.
“Further scientific evidence is needed on the benefits to the wider public of wearing face coverings, but observational findings so far suggest that homemade or purchased 3 layer face-coverings might reduce transmission from one person to another if made, worn, handled and disposed of properly.