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.

synoniemen: exanthema subitum, pseudorubella, roseola infantum.

Pools: choroba szósta, rumień nagły, gorączka trzydniowa, trzydniówka