Deputy Prime Minister Nick Clegg has urged parents to overcome their apprehension about the MMR jab.
Speaking to LBC 97.3 Radio, he said: "I really would urge parents, whatever your misgivings, do what people who know about this most say is right for your children - get that course of jabs done."
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.
15 cases of measles have been recorded in the East Midlands in the first three months of this year.
13 cases of measles have been recorded in the West Midlands in the first three months of this year.