HaGaon Rav Asher Weiss, through his Machon Minchas Asher, published a booklet of tshuvos about the Yomim Noraim in the age of Coronavirus.
Questions include:
* If, when and how to shorten the davening
* Covering the shofar
* Fasting on Yom Kippur with Coronavirus
* Taking a lulav with gloves
and more