a way of referring to an illness affecting the stomach and bowels that causes vomiting and diarrhoea

What many people call the "stomach flu" is not influenza. 许多人所说的“肠胃型流感”其实并不是流感。

Swimming in water high in bacteria can cause stomach flu. 在细菌含量高的水中游泳会引起肠胃型感冒。

The laboratory found a norovirus, the most common cause of a stomach flu that typically lasts a couple of days. 这个实验室发现了一种诺罗病毒，是引起通常会持续好几天的肠胃型感冒的最常见原因。