准备打第四针而已,没有时间表
Thinking about this and the waning of the vaccines and the antibodies, it seems every few months — it could be once a year or five or six months — we’ll need another shot. https://www.timesofisrael.com/vi ... l-4th-vaccine-dose/
辉瑞的股票考虑下?作者: yakitori 时间: 2021-9-16 15:43:07