Measles spreads so easily that a child who has not been immunized will most likely get it. Mumps can cause headache, fever, and swelling of the cheeks and jaw. It spreads from person to person very easily, through coughing, sneezing, or just talking. The greatest danger from rubella is to unborn babies. Pregnant women who get rubella can lose their babies, or have babies with severe birth defects.
Diphtheria can cause paralysis, breathing and heart problems, and even death.
Tetanus an cause muscle spasms, breathing and heart problems and death. It can cause lung problems, seizures. There is no treatment for polio. It is very dangerous to children under age five. It can be passed from an infected mother to her newborn during childbirth or from one person to another through blood or bodily fluids.