'I got spots after getting measles'
18 April 2013 Last updated at 07:33 BST
MMR vaccinations are now being offered in secondary schools in the Swansea area, as the number of people affected by measles continues to rise.
Seven hundred and sixty-five cases have now been confirmed.
Chloe and her brother Jordan say they went blotchy after getting measles and think people should have the MMR vaccine.
Follow @BBCNewsbeat on Twitter