noun
roseola; exanthem subitum; sixth disease
Medical term for a common childhood illness causing high fever followed by a rash. Also known as roseola infantum or three-day fever.
突発性発疹は、乳幼児によく見られるウイルス性の病気です。
Roseola is a viral illness commonly seen in infants and young children.
高熱が下がった後に、突発性発疹の特徴的な発疹が現れました。
After the high fever subsided, the characteristic rash of roseola appeared.