seeing cases rising, we need to ensure that our children, young people and even young adults are fully against measles. if people and even young adults are fully against measles. people and even young adults are fully against measles. if there is a teena . er fully against measles. if there is a teenager who fully against measles. if there is a teenager who never fully against measles. if there is a teenager who never got fully against measles. if there is a teenager who never got their - fully against measles. if there is a i teenager who never got their mmr, fully against measles. if there is a - teenager who never got their mmr, is there a cut off point at which you have to have the vaccine in order for it to be effective? trio. have to have the vaccine in order for it to be effective? for it to be effective? no, that is the other good for it to be effective? no, that is the other good news, for it to be effective? no, that is the other good news, there - for it to be ef