The entire cycle of drug management – for TB and other diseases – needs more clarity and assistance at the country level.

整个药物管理循环——结核病以及其他疾病——在国家层面上需要更加明确和更多协助。

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Tumor is one of the cell cycle diseases.

肿瘤是一种细胞周期性疾病。

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Each cycle is made up of specific factors in hosts and agents within a specific environment such that if all the factors are present, then diseases or conditions of poor health will occur.

每个周期都是由特定的宿主和病原在特定环境中形成，如果每个因素都存在，那么疾病就会爆发。

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The only way to break that cycle is to vaccinate everyone of all ages, said Dr. James Cherry, professor of pediatric infectious diseases at the University of California, Los Angeles.

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