influenza

Definition

A highly contagious viral infection causing fever, respiratory symptoms, and severe aches; commonly known as the flu.

中文 由病毒引起的高度传染性感染，导致发热、呼吸道症状和剧烈肌肉酸痛，通常称为流感。

Example

"He stayed home from work because he had influenza and needed to rest."