The lungs have their own anti-bacterial action, produced by a liquid which overlays the cells lining the lung.

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Enke had missed Germany's last four matches because of a bacterial infection, but had recently returned to action with Hannover.

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Yonath's research has also revealed the precise modes of action of over 20 different antibiotics targeting bacterial ribosomes, shedding light on how bacteria become resistant to antibiotics.

UNESCO: The UNESCO Courier