After their initial infection, these people struggle for months with a cluster of disabling symptoms.

初始感染后，这些人会与一系列致残症状做数月的斗争。

After the initial infection, the virus stays dormant in your nerves and can reactivate later in life as shingles.

在初期感染之后，病毒会在神经细胞中维持休眠的状态，并且可以在日后活化，形成带状疱疹，俗称皮蛇。

For some patients, the initial infection isn't the end of their problems. Lewis:  Now you're up to speed.

对于一些患者来说，最初的感染并不是他们问题的终结。 刘易斯：现在你已经跟上速度了。

About 3 weeks after initial infection, cell-mediated immunity kicks in and immune cells surround the site of TB infection creating a granuloma, essentially an attempt to wall off the bacteria and prevent it from spreading.

在最初感染的三周之后，细胞免疫开始发挥作用，免疫细胞包围起TB感染的部位，形成肉芽肿，以此组成细菌的外围墙，隔断与正常组织联系，并且防止进一步的扩散。