Viral infection (togavirus) – spread by droplet infection. Clinically resembles measles. One attack immunity. Tends to affect older children. Incubation of 14-21 days.
A woman who contracts Rubella in the first 3 or 4 months of pregnancy risk of severe defects in the unborn child (Congenital rubella syndrome).
Rubella is preventable by immunisation (NMR vaccine).
Generally mild - slight fever, muscle aches, stiff neck, fatigue, slight red/pink/rose rash on the child's head and body after 2-3 days, swollen neck lymph glands.
Polyarthritis is common complication (15-30%)
Treatment – supportive; mild analgesics; isolated until rash resolves.