fifth disease(redirected from 5th disease)
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A usually mild disease, primarily of children, that is caused by a parvovirus and is characterized by fever, a prominent, often bright red rash on the cheeks that may spread to the trunk and limbs, and swollen, painful joints. Also called erythema infectiosum.
[From its being fifth in frequency of rash-producing childhood diseases.]
(Pathology) a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk. Also called: slapped-cheek disease Technical name: erythema infectiosum
[C20: from its being among the five most common childhood infections]