Public Health Wales says the number of cases in the measles outbreak has reached 765.
An extra 72 cases have been reported since Thursday.
A total of 77 people have now been hospitalised during the outbreak.
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.