Health authorities said a 70-year-old woman died and a 57-year-old man is critically ill in a Boston hospital after each was given a kidney from an infected donor, reports The Boston Globe.

The kidney was infected with a hard-to-detect virus, health officials said, which came from a 49-year-old homeless man who suffered irreversible brain damage and cardiac arrest.

The donor carried a germ called lymphocytic choriomenigitis virus, which is most often transmitted by rodents and usually unnoticed by healthy people who do not suffer anything more than flu-like symptoms, according to the newspaper.

The virus also killed three transplants patients in Massachusetts and Rhode Island in 2005.

Organs perish quickly and they are tested for diseases such as AIDS, hepatitis and herpes, but not usually viruses such as lymphocytic choriomenigitis. And, since the demand for organs is so great, recipients will often take the organs of homeless people, the newspaper said.

Ireland’s largest child hospital has admitted that it removed the wrong kidney from a child during surgery, ITN news agency has reported.

The child is recovering, according to the report, and will continue to use the hospital for follow-up care.

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