noun
slapped cheek syndrome; fifth disease; erythema infectiosum
Colloquial Japanese term for erythema infectiosum, a common childhood viral illness causing a bright red rash on the cheeks. The medical term is 伝染性紅斑.
See also: 伝染性紅斑
子どもがりんご病にかかって、頬が真っ赤になった。
My child caught slapped cheek syndrome and their cheeks turned bright red.
りんご病は正式には伝染性紅斑と呼ばれます。
Slapped cheek syndrome is formally called erythema infectiosum.
Literally 'apple disease', from the characteristic red cheeks resembling an apple.