Corona: "a part of the body resembling or likened to a crown."
The crown chakra, which is the awareness of -soul-. This perceives the mind, the heart, the passion, the sexual energy and the body/world (which is the life experience).
Corona virus is literally soul-virus, to identify who is spiritually sick (not aware of eternity).
The mask is to display who is one-minded with ego, telling that these "do not have their own identity".
Identity is ego. The only true identity is eternity.
They cover their mouth because they have nothing to say.