0001番組の途中ですがアフィサイトへの転載は禁止です (オーパイ MMe9-nrfB)垢版 | 大砲2022/03/14(月) 12:44:20.76ID:mmNA8OlWMPi?2BP(1000) A 4th dose of Covid-19 vaccine will be needed, Pfizer's CEO says, but the company is working on a shot to handle all variants https://edition.cnn.com/2022/03/13/health/pfizer-vaccine-4th-dose/index.html