In a very small number of cases, inflammation of the brain (encephalitis) may follow.

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Doctors knew the donor had encephalitis, an inflammation of the brain, when they harvested the organs.

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"Less than 1% develop a serious neurologic illness such as encephalitis or meningitis (inflammation of the brain or surrounding tissues), " it said.

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"Less than 1% develop a serious neurologic illness such as encephalitis or meningitis (inflammation of the brain or surrounding tissues), " the CDC said.

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Complications can include meningitis and encephalitis - inflammation of the lining of the brain.

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