偃月劃戟

偃月劃戟

【美国FDA初步认可Pfizer Vaccine 紧急使用，可能周四正式批准急用】

偃月劃戟 (2020-12-08 14:44:55) 评论 (0)

FDA Says Pfizer-BioNTech Vaccine Is Safe, Effective

Vaccines and Related Biological Products Advisory ... - FDA