Infection Rates

Measles

Infection rate: 100% (sounds high?) (Source)

Almost all non-immune children contract this respiratory disease if exposed to the virus.

Mortality rate: 1%-5%, rising to 25% (Source)

The case fatality rate in developing countries is generally in the range of 1 to 5%, but may be as high as 25% in populations with high levels of malnutrition and poor access to health care.

Mumps

Infection rate:

Mortality rate: 0 (Source)

Death is very unusual.

Rubella