roseola infantum

noun
roseola in·​fan·​tum | \-in-ˈfan-təm \

Definition of roseola infantum 

: a mild virus disease of infants and children marked by fever lasting usually three days followed by an eruption of rose-colored spots and caused by a herpesvirus (species Human herpesvirus 6 of the genus Roseolovirus)

First Known Use of roseola infantum

circa 1935, in the meaning defined above

History and Etymology for roseola infantum

New Latin, infant roseola

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The first known use of roseola infantum was circa 1935

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roseola infantum

noun
roseola in·​fan·​tum | \-in-ˈfant-əm \

Medical Definition of roseola infantum 

: a mild virus disease of infants and children that is characterized by fever lasting three days followed by an eruption of rose-colored spots and is caused by a herpesvirus (species Human herpesvirus 6 of the genus Roseolovirus)

called also exanthema subitum, exanthem subitum

More from Merriam-Webster on roseola infantum

Britannica.com: Encyclopedia article about roseola infantum

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