原发感染是指首次感染结核杆菌，多见于儿童，原发感染一般是通过空气中的尘埃进入人体中的肺，原发感染可能会导致全身粟粒性结核。
预防原发感染性疾病，及时正确的诊断和治疗是预防控制这种精神障碍的关键所在。
Primary prevention of infectious diseases, timely and correct diagnosis and treatment of mental disorders prevention and control of this key.
结论：原发感染病毒量决定潜伏ul 83基因载量，而潜伏ul 83基因载量又决定再激活发生的部位和机率。
Conclusion: the level of primary infection defined the load of latent UL83 gene and the latter determined the latent sites and the risk of recurrence.
一种原发流感病毒感染之后，可以使这些细菌从鼻和咽喉移行至中耳。
These bacteria migrate from the nose and throat to the middle ear after an initial influenza virus infection paves the way.
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