noun
erythema infectiosum; fifth disease; slapped cheek syndrome
Medical term for a common childhood viral infection caused by parvovirus B19, characterized by a bright red facial rash. In everyday Japanese, often referred to as りんご病 (apple disease).
伝染性紅斑は、ヒトパルボウイルスB19による感染症です。
Erythema infectiosum is an infection caused by human parvovirus B19.
子供が伝染性紅斑と診断されました。
The child was diagnosed with fifth disease.