County of Los Angeles
Department of Public Health
Acute Communicable Disease Control
313 N. Figueroa Street, Room 212
Los Angeles, CA 90012
Phone: (213) 240-7941
Fax: (213) 482-4856
E-Mail:acdc2@ph.lacounty.gov
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Acute Communicable Disease Control
Rubella (German Measles, 3-Day Measles)
Commonly known as German measles or 3-day measles — is an infection that primarily affects the skin
and lymph nodes. It is caused by the rubella virus (not the same virus that causes measles), which
is usually transmitted by droplets from the nose or throat that others breathe in. It can also pass
through a pregnant woman's bloodstream to infect her unborn child. As this is a generally mild
disease in children, the primary medical danger of rubella is the infection of pregnant women, which
may cause congenital rubella syndrome in developing babies.