In a world first, American doctors have transplanted a kidney from one HIV-positive patient to another.
The operation took place at Johns Hopkins in Baltimore, Maryland, and both patients are doing well.
"This is the first time someone living with HIV is allowed to donate a kidney to the world," Dr. Dorry Segev in a release.
It used to be thought that HIV poses too great a risk factor for donor kidney disease.
But new types of antiretroviral medicines used to treat the disease are considered safe for the kidney.
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Dr. Christine Durand, Associate Professor of Medicine and Oncology with Johns Hopkins, said the operation "urges … the public to see HIV differently," while pushing ahead with medicine.
The patients were "incredibly grateful for this gift and now we are only monitoring the long-term outcomes," Dr. Durand.
The operation was performed on Monday. Atlanta's 35-year-old donor Nina Martinez told reporters she felt "good."
She was inspired by a series of "Gray's Anatomy" to donate her kidney. She added that she was excited to be part of a group medically first.
"I knew I was the one they were waiting for," she said. "For anyone considering traveling, this is feasible.
" I just showed you, and I'm curious to see who could be the first successor.
The recipient opted to remain anonymous Dr. Durand, however, said it was "beautiful."
The breakthrough was followed by another significant development in HIV treatment, with HIV only becoming the second case a British patient "undetectable" after a stem cell transplant earlier this month.