Dr Phil Kieran: Does my teenager need a booster MMR vaccine?

A catch-up programme is planned for those who were not vaccinated or only received one dose

The measles vaccine is highly effective, with a full course of two vaccines providing 97% protection and probably lasting indefinitely. Picture: Getty Images

I'm worried about the recent outbreak of measles. Does my 17-year-old need to get a booster vaccine if they got the MMR vaccine as a child? They pick up colds easily and got covid twice despite being vaccinated.