Objective: To develop an indirect immunofluorescence assay for detection of antibodies against of SARS-CoV in ordinary laboratory by using BHK-21 cells stably expressing SARS-CoV nucleoprotein.

• 目的:建立基于SARS-CoVN蛋白稳定表达细胞系的间接免疫荧光法,以在普通实验室对SARS-CoV特异抗体进行检测。