Gap Fill - Immune System - Level 4

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   acid      cells      defence      growth      immunity      infection      novel      strong      therapies      us   

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The researchers focused on amino compounds that keep our immune system . These could provide new for infectious diseases and compromised . They could defend against bacteria and halt their . Dr Merbl said: "We discovered a mechanism of immunity that is allowing to have a against bacterial ." She added: "It's happening throughout our body, in all the ."

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