The information I received earlier about the Urbi et Orbi blessing and the Our Father was inaccurate. Hence, I offer the accurate information provided at this link for your attention: https://www.vaticannews.va/en/pope/news/2020-03/pope-calls-for-christians-to-unite-in-prayer-for-end-to-pandemic.html
On Wednesday 25th March, Pope Francis has invited the Heads of the Churches and the leaders of every Christian community and all Christians to recite at the same time the ‘Our Father’.
On Friday 27th March Pope Francis will also preside over a moment of prayer that will conclude with his blessing, Urbi et Orbi. This will be broadcast live from the Vatican, beginning at 6.00pm Rome time.
I draw your attention to the special indulgences granted to those suffering from the coronavirus, as noted in the previous item: http://press.vatican.va/content/salastampa/en/bollettino/pubblico/2020/03/20/200320c.html
God bless, Bishop Gerard"