Diseases, Conditions, Syndromes

New test may predict COVID immunity

Most people in the United States have some degree of immune protection against COVID-19, either from vaccination, infection, or a combination of the two. But, just how much protection does any individual person have?

Medical research

Sweden hospital in lab-made windpipe transplant

A 36-year-old man who had tracheal cancer has received a new lab-made windpipe seeded with his own stem cells in a procedure in Sweden they call the first successful attempt of its kind, officials said Thursday.

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