冠状病毒。根据以色列卫生部的数据，辉瑞公司的冠状病毒疫苗在第二剂后14天内能有效降低死亡率，有效率达98.9%。
CORONAVIRUS: According to data from Israel's Health Ministry, Pfizer coronavirus vaccine is 98.9% effective at reducing death fourteen days after second dose.
— The Spectator Index (@spectatorindex) 2021-02-21 12:40