The number of confirmed measles cases in the Swansea area has risen by 47 this week, according to the latest figures from Public Health Wales.
It now stands at 588 - a slight increase from the 541 cases confirmed earlier this week.
However, there has also been an increase in the number of people coming forward to have the MMR vaccine.
Figures show 586 people have proactively had the jab over the past week, on top of those already scheduled to have it.
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.