At the start of the pandemic, to protect the most vulnerable members of our society, we produced a list of people who needed to take extra precautions and to shield themselves against coronavirus.
Ar ddechrau'r pandemig, er mwyn diogelu aelodau mwyaf agored i niwed ein cymdeithas, lluniwyd rhestr o bobl yr oedd angen iddynt gymryd gofal ychwanegol a gwarchod eu hunain rhag y coronafeirws.