(a viral disease of infants and young children
characterized by abrupt high fever and mild sore throat
a few days later there is a faint pinkish rash that lasts for a few hours to a few days)
exanthema subitum, roseola infantum, roseola infantilis, pseudorubella
synonim: rumień nagły
synonim: gorączka trzydniowa
synonim: trzydniówka