As recent figures from Public Health Wales asserts show that 1-in-7 four year olds are not fully protected against measles before starting school, we discuss why immunising your children is so important. Across the world, measles is the leading cause of vaccine-preventable death. Measles is also one of the most infectious viruses we have circulating in our communities. Measles is spread through the air via coughing and sneezing, and if an unvaccinated or non-immune person is exposed, they have a…