More measles vaccination clinics will be set up in schools today. The drive to vaccinate school children is entering its third week. St Joseph's Comprehensive School in Neath Port Talbot and Pen Y Bryn and Crug Glas special schools in Swansea will be the next to hold clinics.
There are currently over 900 confirmed cases of the measles stemming from the Swansea 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.