First discovered in the 1950s, adenovirus is a major class of disease-causing agents that include viruses that causes the common cold.

腺病毒在1950年被发现，是一类致病因子的主要种类，包括能导致普通感冒的病毒。

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Multiple sclerosis (MS) is triggered by unidentified antigens or other disease-causing agents in the environment and affects people who are genetically predisposed to the disease.

多发性硬化(MS)由未知的环境过敏原或其它致病因子触发并影响遗传性易感人群的疾病。

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The children who survived HSE, however, were resistant to plenty of disease-causing agents other than the H. simplex virus, suggesting that innate immunity could be specific, too.

患hse后存活下来的两个孩子对除单纯疱疹病毒外很多治病因子有免疫力。这说明先天免疫也有的定性。

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HSE, however, were resistant to plenty of disease-causing agents other than the H. simplex virus, suggesting that innate immunity could be specific, too.

ECONOMIST: Genetics and infectious disease: The germ of an idea | The

Scientists found however, that feeder cells and serums derived from other animal cells introduced disease-causing agents that compromised the quality of the cell lines.

FORBES: Aberrations Pose A Challenge for Reprogramming Stem Cells

Innate immunity is the defence against infection that babies are born with, as opposed to adaptive immunity which is acquired as people develop antibodies through their exposure to disease-causing agents.

ECONOMIST: Genetics and infectious disease: The germ of an idea | The