There has been a sharp rise in the number of people with measles in the North East.
Since September, there have been forty six confirmed cases.
Health experts say that it is down the number of children and teenagers who haven't been vaccinated.
You can watch the full report from Helen Ford below.
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The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.