@i_petersen @MichaelSFuhrer @VGrubsky @AndrewHayen Then again there is a non-trivial cohort of people who are "sure" they had covid in 2019.
@i_petersen @MichaelSFuhrer @VGrubsky @AndrewHayen 然后又有一群人“确定”他们在 2019 年感染了新冠病毒。
@i_petersen @MichaelSFuhrer @VGrubsky @AndrewHayen Then again there is a non-trivial cohort of people who are "sure" they had covid in 2019.
@i_petersen @MichaelSFuhrer @VGrubsky @AndrewHayen 然后又有一群人“确定”他们在 2019 年感染了新冠病毒。