Methods Indirect immunofluorescence method,which using antigen of SARS coronavirus infected Vero cell line was employed to detect antibodies for coronavirus from sera of 55 feverish patients and 68 normal people in this expriment.

• 方法以SARS冠状病毒感染Vero细胞涂片为冠状病毒抗原片,用间接免疫荧光法分别检测55例发热患者和68例正常人血清中冠状病毒的IgG、IgM抗体。