He plans to investigate how contagious his new viral blends are in guinea pigs and ferrets-animals whose respiratory system better reflects our own feverish battle with flu.

他计划调查他的新病毒合成物对豚鼠和白鼬的传染性如何，这两种动物的呼吸系统更能体现出人类在发烧时与流感的对抗情况。