Incubation period for Measles - About 10 days, but may be 7–18 days, from exposure to onset of fever, and about 14 days, but may be 7–21 days, from exposure to the onset of rash. The incubation period may be longer in those given immunoglobulin after exposure.

Incubation period for Mumps - About 16–18 days, ranging from 12–25 days.

Incubation period for Rubella - About 14–23 days, commonly 16–18 days.