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Rubella is a very contagious (easily spread) illness caused by the rubella virus. It is usually a mild illness. But in rare cases, it may cause more serious problems.
If you are pregnant and get infected with the rubella virus, your baby (fetus) could become infected too. This can cause birth defects, including serious defects known as congenital rubella syndrome (CRS). CRS can cause hearing loss, eye problems, heart problems, and other complications.
Rubella also is called German measles or 3-day measles.
The rubella virus most often is spread through droplets of fluid from the mouth, nose, or eyes of someone who has the infection. A person who has the infection can spread these droplets by coughing, sneezing, talking, or sharing food or drinks. You can get infected by touching something that has the droplets on it and then touching your eyes, nose, or mouth before washing your hands.
If you have rubella, you are most likely to spread it a few days before the rash starts until 5 to 7 days after the rash first appears. But you can spread the virus even if you don't have any symptoms.
If you've had rubella, it is very unlikely that you will get it again.
Symptoms of rubella may include:
Adults, especially women, also may have joint pain. Older children and teens also may have eye pain, a sore throat, and body aches. Young children may have only a rash.
Symptoms may not start until 14 to 21 days after you've been near someone who has the infection. Some people don't have symptoms.
A blood test can help your doctor find out if a recent infection you've had was caused by the rubella virus. The test also shows if you have been immunized against rubella or are immune to the virus.
Rubella usually gets better with home care.
Stay away from other people, especially pregnant women, as much as you can so that you don't spread the illness. If you or your child has rubella, don't go to work, school, or day care for 7 days after the rash first appears.footnote 1
If you are exposed to the rubella virus while you're pregnant, talk to your doctor. He or she may give you a shot of immunoglobulin (IG) if testing shows that you are not immune. IG doesn't prevent infection, but it may make symptoms less severe. It also lowers the chance of birth defects, although it doesn't always prevent them. Children with congenital rubella syndrome have been born to mothers who have received IG.
The rubella vaccine protects at least 9 out of 10 immunized people from getting this illness.footnote 1 In the United States, the vaccine is part of the MMR (measles, mumps, and rubella) and MMRV (measles, mumps, rubella, and varicella [chickenpox]) vaccines. Most children get the vaccine as part of their regular shots.
Outbreaks may occur in people who haven't gotten the vaccine. This is more likely to happen in college, military, health care, and child care settings and among people who have recently moved to the United States from other countries.footnote 1
If you are planning to become pregnant and don't know if you're immune to rubella, get a blood test to find out. If you're not immune, you can safely get the rubella vaccine up to 1 month before you become pregnant. If you're not immune and didn't get the vaccine before you became pregnant, take extra care to avoid contact with the virus. Avoid the saliva of babies and young children, and wash your hands often.
American Academy of Pediatrics (2015). Rubella. In DW Kimberlin et al., eds., Red Book: 2015 Report of the Committee on Infectious Diseases, 30th ed., pp. 688–695. Elk Grove Village, IL: America Academy of Pediatrics.
Current as of:
September 23, 2020
Author: Healthwise StaffMedical Review: John Pope MD - PediatricsKathleen Romito MD - Family MedicineChristine Hahn MD - Epidemiology
Current as of: September 23, 2020
John Pope MD - Pediatrics & Kathleen Romito MD - Family Medicine & Christine Hahn MD - Epidemiology
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