Dr Marion Lyons from Public Health Wales said the outbreak "has slowed significantly, but parents should not believe this is the last we will see of measles in Wales if large numbers remain unvaccinated."
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Rain clipping the far north through the evening but elsewhere staying dry with some sunny spells.
Public Health Wales figures show 25 more cases of the virus have also been confirmed.
Photos taken on Saturday morning show Roald Dahl Plass strewn with empty beer bottles and discarded canisters of laughing gas.