Rubella Test

German Measles (Rubella) Test

Why It Is Done

A test for rubella is done to find out if:

• A woman who is or wants to become pregnant is immune to rubella.
• A recent infection was caused by the rubella virus. The presence of IgM antibodies means a current or recent infection.
• A person has been vaccinated against rubella. The presence of IgG antibodies indicates immunity received through either vaccination or a past infection.
• Health professionals who are in contact with pregnant women have had rubella. A health professional who has not had rubella may need to be vaccinated to prevent the risk of spreading rubella to a pregnant woman.

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Author:	Debby Golonka, MPH	Last Updated: October 2, 2006
Medical Review:	Michael J. Sexton, MD - Pediatrics W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
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