The finding is worrying because an infection that could cause just a stomachache in a healthy person could hospitalize or even kill those with weakened immune systems.

• 令人担忧的研究显示，由“危险”食物带来的肠胃感染，可能给一个健康人带来的仅仅是腹部疼痛，而却有可能引发那些免疫功能较弱群体的住院治疗或者危及生命。