Contagious diseases most often affect children at a very young age. Because children are particularly vulnerable, they are a priority target for vaccination programs.

Measles is one of the most contagious infections, with potentially serious complications, and it can be eradicated worldwide. High vaccination coverage is essential to interrupt the spread of the...

Rubella is a viral infection that is usually mild but can, during pregnancy, lead to fetal death or congenital rubella syndrome. A vaccine is available to prevent infection.