Single-celled organisms called archaea aren't generally thought to cause human disease, but one species has been implicated in colorectal cancer ...

Two men became ill after receiving kidneys from a donor who had an active parasitic infection A man who received a donated ...

Ten weeks after a New England man received a kidney transplant, he went into respiratory failure and shock - thanks to an ...

A second transplant patient also became infected, leading their doctors to surmise that their new kidneys were likely to ...