"Silly"? These threads, absent details, invite speculation to fill that void. That should be obvious to you, and beyond debate.
We are all encouraged she is out of the hospital and recovering. The discussion of why she was ill is natural, not silly, exercise.
If my guess (based on "ICU", and "rehab" and a team of doctors) at a diagnosis is "erroneous", then correct it with fact. That would end all speculation here.