The approach, published April 8 in Immunity, exploits the immune system's built-in safety mechanism—a group of regulatory T cells whose job is to squelch overactive immune responses.

发表于4月8号《Immunity》上的文章利用免疫系统的内置安全装置，一组起调控作用的T细胞来抑制过度的免疫反应。

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Therefore, the effective measures are to increase vaccination rate and immunity of the specific group, decrease the susceptible population and intensify epidemic monitoring.

因此，提高免疫接种率，消除免疫空白人群，开展特定人群的免疫，加强麻疹的监测是控制麻疹发病的有效措施。

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Objective a report of a group of patients with pancytopenia which might be related to abnormal immunity.

目的报告一组与异常免疫相关的全血细胞减少症。

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Director of the Public Health Agency Dr Caroline Harper said this age group was vaccinated last year and now 50-60% had built up some level of natural immunity.

BBC: Health Committee