方法采用传染病流行病学调查及卫生统计学方法。
Methods Classic Epidemiological survey and hygienic statistics methods were used.
结论：SARS病毒抗体变化规律与一般传染病抗体产生规律不同，可用于流行病学调查和血清学诊断。
Conclusion: the changeable tendency SARS antibody is more different than that of other infectious diseases. This tendency can be used as a indicator for epidemiological study and serum diagnose.
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