Medical experts say that you can still infect others after vaccination and this has been backed by evidences, that is why mask and distancing is still required. Now how do you derive the moral obligation from 10 Commandments?
How about fulfilling the 10 Commandments first to be morally right? No?

I pity them, for they are firmly on the road to hell

This is the real evil of Pope Francis: he denies religious and thus "moral" legitimacy to Catholics to resist evil while, pardoxically, providing that legitimacy to the evils they resist.

The Fear of the Lord is the beginning of wisdom.

Using the theology of Amoris Laetitia can justify not getting vaccinated

Biden would not know a moral obligation if someone hit him in the head with one and quoting Frankie and the boys doesn't get you any closer

Stoping abortion is the greatest moral obligation let’s start here first.