有百分之二至百分之十感染可导致慢性健康问题，包括反应性关节炎和神经系统紊乱。
In two to ten per cent of cases the infection may lead to chronic health problems, including reactive arthritis and neurological disorders.
天花疫苗接种者中一致报告的不良反应包括心肌心包炎和扩张性心肌病，每种不良反应的发生频率都超过了偶发事件的水平。
Consistent adverse effects reported in smallpox vaccinees have been myopericarditis and dilated cardiomyopathy; the frequency of each adverse effect exceeds what might have occurred by coincidence.
压制这些信号可以限制自身免疫反应，正是这种自身免疫反应造成了风湿性关节炎患者的炎症。
Suppressing those signals could limit the autoimmunity that causes inflammation in rheumatoid arthritis patients.
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