"Nazareth is here with me in the Hershey Medical Hospital because yesterday we almost lost him due to asphyxiation from formula and a fever and dry cough," Jesus Manuel LaSanta wrote.
Doctors, he continued, "say that he has no marks in any way, nor could it be (from) something that happened in someone's hands."
But prosecutors say Nazareth's death the next day was caused by abusive head trauma at LaSanta's hands.
LaSanta, 27, of the 400 block of Brendon Drive, was charged Wednesday with homicide and endangering the welfare of a child.
Read more at Lancaster Online.