November 10, 2020
Source:
fsspx.news

Updated December 4, 2020
Please see the complete study presented by Fr. Arnaud Sélégny, FSSPX:
Is it Morally Permissible to Use the Covid-19 Vaccine?
Updated November 24, 2020:
The United States District of the Society of Saint Pius X has recently convened a panel of priests, moral theologians, and medical experts to further study this issue, under the guidance of the General House in Menzingen.