Hard to find up to date details, but we have this:
'Baby W' undergoes heart surgery in Auckland after court ruling - La Prensa Latina Media
https://www.laprensalatina.com/baby-w-undergoes-heart-surgery-in-auckland-after-court-ruling/
and this:
Baby Will Update: New Zealand Parents Hint At The Type Of Blood Used For His Heart Surgery (redvoicemedia.com)
https://www.redvoicemedia.com/2022/12/baby-will-update-new-zealand-parents-hint-at-the-type-of-blood-used-for-his-heart-surgery/
Nothing official - not that the NZ Blood Service would even report obtaining “pure blood” given its refusal to accept it from outside its existing stocks, but you never know, perhaps common sense, and a compromise, has prevailed.
The little fellow will need prayers for long time to come.
Jehovahs Witnesses have access to segregated/APARTHEID blood. Any other religion?
Prayers up for the little guy.