Rubella
Also called: German measles
What causes rubella?Rubella is caused by a virus.
How does rubella spread?
Rubella spreads from person to person through the air. Rubella is contagious but less so than measles and chickenpox.
How long does it take to show signs of rubella after being exposed?
The incubation period varies from 12 to 23 days (average, 14 days). Symptoms are often mild and may be inapparent up to half of the time.