However it still remains an effective public health control measure that can be used to minimise exposure to and spread of coronavirus, as well as other respiratory infections and other diseases.
Fodd bynnag, mae'n parhau i fod yn fesur effeithiol i reoli iechyd y cyhoedd er mwyn lleihau cysylltiad pobl â'r coronafeirws a'i ledaeniad, yn ogystal â heintiau anadlol a chlefydau eraill.