**Rhestr o raglenni brechu ychwanegol sy’n cael eu cydnabod - Yr Aifft, Albania, Bahamas, Bangladesh, Bosnia a Herzegovina, Brasil, Columbia, Chile, De Affrica, Fietnam, Ghana, Georgia, Gogledd Macedonia, Grenada, Gwlad Thai, Gwlad yr Iorddonen, Hong Kong, India, Indonesia, Jamaica, Kenya, Kosovo, Maldives, Moldofa, Montenegro, Morocco, Namibia, Nigeria, Oman, Pacistan, Serbia, St Kitts a’r Grenadines, Twrci, Wcrain, Ynysoedd Philippines, a’r Cenhedloedd Unedig.
**List of Additional Recognised Vaccinations programmes - Albania, Bahamas, Bangladesh, Bosnia & Herzegovina, Brazil, Columbia, Chile, Egypt, Ghana, Georgia, Grenada, Hong Kong, India, Indonesia, Jamaica, Jordan, Kenya, Kosovo, Maldives, Moldova, Montenegro, Morocco, Namibia, Nigeria, North Macedonia, Oman, Pakistan, Serbia, South Africa, St Kitts & Nevis, St Lucia, St Vincent & The Grenadines, Thailand, The Philippines, Turkey, Ukraine, United Nations and Vietnam.