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Medical Term:


Pronunciation: ru-bel'a


An acute but mild exanthematous disease caused by rubella virus (Rubivirus family Togaviridae), with enlargement of lymph nodes, but usually with little fever or constitutional reaction; a high incidence of birth defects in children results from maternal infection during the first trimester of fetal life (congenital rubella syndrome).

Synonym(s): epidemic roseola, German measles, röteln, roetheln, third disease, three-day measles

[L. rubellus, fem. -a, reddish, dim. of ruber, red]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.