CORONAVIRUS: 研究发现，两剂中国的西诺瓦克疫苗，再加上一个辉瑞公司的加强剂，对欧米茄有保护作用。然而，第三剂华锐疫苗作为加强剂，"并不能提供足够的保护性抗体水平"。
CORONAVIRUS: Study finds that two doses of China's Sinovac vaccine, followed by a Pfizer booster, is protective against omicron. However a third Sinovac dose, as a booster, 'does not provide adequate levels of protective antibody'.
— The Spectator Index (@spectatorindex) 2021-12-23 18:38