Day + 21 post transplant and had to be transfered to the ICU due to breathing complications.
This from his Dad:

The roller coaster of terror continues. This is the time when you dred each phone call, each lab, each examination, a groan, the twist of his body, the unknown. Because each piece of news could be a gift of relief or complete devastation. You don’t know which lot will be dealt at any given moment and that is the true horror of helplessly watching your child struggle for life. Truly, if one could describe hell I think we’re living in it at times like this and when Giovanni is doing well its a mixture of bliss shadowed by fear. Fear always in the background luming over your shoulder with its brother terror a shadow above waiting to rush in and engulf you. To shake you to your core, weaken your knees, and send chills through your entire body meeting in your throat a choking knot threatening to consume you with uncontrollable emotions and set you down like a hysterical child.

More via helpgiovanniguglielmo.org here.