Surgery

Virus found in pig heart used in human transplant

Researchers trying to learn what killed the first person to receive a heart transplant from a pig have discovered the organ harbored an animal virus but cannot yet say if it played any role in the man's death.

Immunology

How one inflammatory disorder exacerbates another

The immune system remembers. Often this memory, primed by past encounters with threats like bacteria or viruses, is an asset. But when that memory is sparked by internal drivers, like chronic inflammation, it can prove detrimental, ...

Immunology

Towards more effective treatments for immunocompromised patients

For severely immunocompromised patients, a bone marrow transplant restores immune defenses and allows them to resume normal life. But after observing the nasopharyngeal system, where the body's first line of immune defense ...

Medical research

Are we any closer to an HIV vaccine?

While scientists have made unprecedented progress in preventing COVID-19 in the past two years, they have also moved closer to finding a vaccine to protect against the human immunodeficiency virus (HIV), which has been infecting ...

Medical research

Damaged lungs breathe life into COVID research

A small black lump, about an inch or so in width, rests on the bottom of a sealed plastic container. It doesn't look like much—in fact, it doesn't look like anything. But this little black lump has untold potential, full ...

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