"Measles is a viral illness that mostly affects children. The measles vaccination has drastically reduced the incidence of this once-common disease.
Measles, often known as rubeola, is a highly contagious respiratory illness that may have devastating effects on young children.
Vaccination has reduced the rates of measles infections." https://sahyadrihospital.com/blog/is-measles-dangerous-for-babies-and-children/