He used human tracheal cells, not lung cells. "Because they are one of the few tissues in the body that have motile cilia."[0] So they can move around. [0] h

He used human tracheal cells, not lung cells. "Because they are one of the few tissues in the body that have motile cilia."[0] So they can move around. [0] https://twitter.com/drmichaellevin/status/1730428052847370556 https://twitter.com/drmichaellevin/status/173042805284737055...