The rationale I've heard from the hospital side seems self-contradictory: they are worried about liability from using an unapproved medical device (mask). But t

The rationale I've heard from the hospital side seems self-contradictory: they are worried about liability from using an unapproved medical device (mask). But the liability from exposing a healthy patient to an unmasked sick worker, or exposing a unmasked healthy worker to sick patients, seems like it ought to be greater than that..