Rubella

Public Health England says the increase is "mostly driven by outbreaks in university students".

A future free of the three diseases is "within reach" despite recent outbreaks, a health boss says.

Public Health Wales says it is investigating at least 28 possible cases of the virus.

Parental compulsion might seem an answer to falling vaccination rates - but it isn't that simple.

It comes after the health secretary for England said he was seriously considering the idea.

Matt Hancock says there is "absolute clarity" on the science and not being immunised puts others at risk.

More than 300 cases were recorded by Public Health England after students fell ill.