She was reportedly admitted to the hospital Monday and diagnosed with pneumonia of her lungs. Her condition rapidly deteriorated after that.
Jasmina had been battling the disease since last January, in a fight that prompted more than 7,000 volunteers to be tested during several bone marrow drives.
But Jasmina's body rejected the one donation used in the transplant.
In December, she got to spend time with President Barack Obama, a White House meeting arranged through the Make-a-Wish Foundation.
