Measles drop-in clinics are opening in Swansea today in a bid to tackle the spread of the virus. The clinics' aim is to encourage more parents to get their children vaccinated as measles cases continue to rise.
2013 is expected to be the worst year for measles in the UK for the past two decades. Read more about the illness and how it is treated.
If the Government's top adviser on immunisation thinks the risk of an emergency in England is a possibility, I believe him.