由于适应性免疫感染细胞得以清除，接触某种特定病原体能让我们对其长期免疫。
Thanks to adaptive immunity infected cells get wiped out, and exposure to a specific pathogen can leave us with long-standing protection against that pathogen.
提供长期免疫只需要一剂活疫苗，但目前所使用的疫苗如果用于怀孕动物，则可能造成自然流产。
Only one dose of the live vaccine is required to provide long-term immunity but the vaccine that is currently in use may result in spontaneous abortion if given to pregnant animals.
有了这个新的检测手段，医生可以更好地制定治疗计划并监控HBV感染者，从而更好的帮助延缓疾病进展和长期免疫。
With this new test capability, physicians can better develop tailored treatment plans and monitor HBV-infected patients to help prevent progression and better their chance for long-term immunity.
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