To put the exclamation point on it, she went into respiratory distress, was within minutes of death and was saved by a week on ECMO.
Until the vaccine kills more pregnant women than covid, it's not tricky. (Spoken, as before, as a selfish older brother who almost lost one of the few people who'll ever think I hung the stars.)
I wrote a little about this @ https://news.ycombinator.com/item?id=31208231