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The Collaborative International Dictionary
Roseola

Roseola \Ro*se"o*la\, n. [NL., dim. of L. rosa a rose.] (med.) A rose-colored efflorescence upon the skin, occurring in circumscribed patches of little or no elevation and often alternately fading and reviving; also, an acute specific disease which is characterized by an eruption of this character; -- called also rose rash. -- Ro*se"o*lous, a.

Wiktionary
roseola

n. 1 (context pathology English) Any rosy rash that occurs with various fevers, especially that occurring with a mild disease of early infancy that resembles measles. 2 (context disease English) German measles.

WordNet
roseola

n. any red eruption of the skin [syn: rash, efflorescence, skin rash]

Wikipedia
Roseola

Roseola is a disease of children, generally under two years old. Although it has been known to occur in eighteen-year-olds, whose manifestations are usually limited to a transient rash (" exanthem") that occurs following a fever of about three days' duration.

It is caused by two human herpesviruses, human herpesvirus 6 (HHV-6) and human herpesvirus 7 (HHV-7), which are sometimes referred to collectively as Roseolovirus. There are two variants of HHV-6 (HHV-6a and HHV-6b) and studies in the US, Europe, Dubai and Japan have shown that exanthema subitum is caused by HHV-6b. This form of HHV-6 infects over 90% of infants by age 2. Research has shown that babies can be congenitally infected with HHV-6 via vertical transmission. This has been shown to occur in 1% of children in the United States.

Usage examples of "roseola".

A general practitioner for the first time in his career, David suddenly found himself treating asthma, roseola, croup, enlarged prostate, insomnia, and peptic ulcers.

She shivered, recalling the time Avery had dragged them all camping and Elizabetta had come down with roseola in the middle of nowhere.

Frannie had driven them all home just in time to find out Rebecca had developed roseola and a fever of 106 degrees, which was worth a trip to the emergency room.

Kurtz let his eyes descend again, slowly, looking for the least patch of red, the tiniest roseola blush.

Dauboeuf, Garraway, Hemming, Skinner, and Cobner mention roseola and scarlatiniform erythema after minute doses of quinin.

Long before the Crossings, such plagues as varicella, diphtheria, influenza, rubella, epidemic roseola, morbilli, scarlatina, variola, typhoid, typhus, poliomyelitis, tuberculosis, hepatitis, cytomegalovirus herpes, and gonococcal were eliminated by vaccination .