首都医科大学附属北京佑安医院感染与免疫中心；

Infection and Immunity Center; Beijing You'an Hospital; Capital Medical University; Beijing 100069; China;

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每个病人对感染有一套独特的免疫系统与被感染的风险。

Each patient has a unique set of immune defenses against, and risks of, infection.

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每个病人对感染有一套独特的免疫系统与被感染的风险。

Each patient has a unique set of immune defenses against, and risks of, infection.

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