This article raises some important canonical considerations regarding the abolition of ALL PUBLIC MASSES BY DIOCESAN BISHOPS IN THE FACE OF THE CORONAVIRUS PANDEMIC:
https://canonlawmadeeasy.com/2020/03/20/bishops-authority-cancel-masses/
Also, the homily below is from Pope Benedict XVI and based on an article he had written for the journal “Communio,” back in the early 90’s, entitled: “The Meaning of Sunday”.
He quotes the martyrs of Abitene: Sine Dominico non possumus!