Dr. Fauci about lower booster rate.
https://twitter.com/backtolife_2022/status/1495401601883901954?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1495430247591948289%7Ctwgr%5E%7Ctwcon%5Es3_&ref_url=https%3A%2F%2Fwww.wenxuecity.com%2Fnews%2F2022%2F02%2F20%2F11311269.html
第2个booster
https://finance.yahoo.com/news/1-u-fda-considers-approving-161659642.html