[Subject]Severe acute respiratory syndrome(SARS)is a contagious atypical pneumonia with a high mortality rate.SARS coronavirus(SARS-CoV)is the pathogenof SARS.We established SARS-CoVS/HIVpseudotyped(SHP)virussystemandthe cell fusion assay systemto screeninhibitors for entry of SARS-CoV.[Materials and methods]SHPor VSV-Gpseudotype(VHP)virus was made bytransfecting pCMVΔR8·2,pHR’CMV-Luc and pCMV/R-SARS-S or pMDGplasmids into293Tcells.5ng p24of SHPor VHPvirus was …