State Department spokeswoman Heather Nauert tweeted her support for the family of Alfie Evans, the British infant ordered to be taken off life support despite his family's wishes for him to be treated in Italy.
On April 25, the hospital issued a statement complaining about "often inappropriate interventions from a range of external bodies and individuals, some of which have caused significant disruption to our children, families and staff".
Alfie's case has drawn worldwide attention, with officials in largely Catholic Poland and Italy implicitly criticizing Britain's courts and state-run National Health Service.
"As an organization, we have endured attacks upon our motivation, our professionalism and our ethics. We're not like them".
He thanked his supporters but asked them to stop demonstrating at the hospital.
"We also wish to thank Alder Hey staff at every level for their dignity and professionalism during what must be an incredibly hard time for them too.
Thomas and Kate are not "preparing themselves for their sons death" in no way shape or form, to get him home is their priority and that's what they plan to do with the help and accompany of Alder Hey", he explained.
Together, we recognise the strains recent events have put upon us all, and we now wish for privacy for everyone concerned.
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There was early drama when the Toro Rosso cars of Frenchman Pierre Gasly and New Zealander Brendon Hartley almost collided. Yesterday I struggled with confidence and trust in the vehicle , which is important. "We are in the mix".
Mr Evans and Ms James would, he said, work with doctors to ensure that Alfie, who is 23 months old, had "the dignity and comfort he needs".
Mr Evans added that no more statements or interviews would be given by him on the subject.
The father of terminally ill toddler Alfie Evans said Thursday that he would work with doctors to give his son "dignity and comfort", as he called for a truce in a divisive case that has pitted doctors and the British courts against Alfie's parents, Christian groups and the pope.
"We affirm our conviction that all those who are and have been taking the agonizing decisions regarding the care of Alfie Evans act with integrity and for Alfie's good as they see it", the statement read.
Archbishop Malcolm McMahon was in Rome yesterday where he briefly met Pope Francis. Evans' parents and the Vatican are seeking to fly him to Italy to receive palliative treatment, with the Vatican offering a plane and the Italian government granting the child Italian citizenship.
He went on: "Alfie doesn't need intensive care anymore". He told the Tablet magazine that had spoken with Pope Francis about Alfie Evans.
"As I sit next to Alfie's bedside, every second of every day, it encourages me more and more that he will live for "x" amount of months, possibly years".
In the U.S., Ashley McGuire, a senior fellow with the Catholic Association, called out Catholic bishops and lay leaders in the United Kingdom for "abandoning Catholic social teaching and splitting from the Pope by defending the government instead of Alfie and his family".