@DailyJLee @DrEricDing Chart shows levels of Omicron after 7 days (and likely well beyond, but not shown/measured) on hard surfaces that would be reached after a few hours with ancestral.
@DailyJLee@drericing图表显示了7天后（可能远远超过，但未显示/测量）在坚硬表面上奥米克罗的水平，这些硬表面在几个小时后会与祖先接触。