infectious agent detection assay pseudovirus entry assay pseudotype cell entry Figure 1c in https://doi.org/10.1038/s41564-020-0688-y or Materials & Method in https://www.pnas.org/content/111/34/12516 An assay that measures the entry in target cells of reporter viral particles that express an envelope protein of a different virus of interest. pseudovirus cell entry pseudotype entry “Inhibition of MERS-CoV-spike-mediated pseudovirus entry by the HKU4 S1 domain “ (from https://doi.org/10.1073/pnas.1405889111); “protease treatment did not enhance pseudotype entry in the absence of host receptor “; “bat-derived cell lines derived from other species were infected with VSV-reporter particles pseudotyped with chimeric spikes and luciferase was measured as readout for cell entry” (from https://doi.org/10.1038/s41564-020-0688-y) ; “teicoplanin could inhibit the entry of HIV-1-2019-nCoV-S pseudoviruses with the IC50 value of 1.66 uM” (from https://doi.org/10.1101/2020.02.05.935387) Thomas Lemberger pseudotyped particle cell entry assay pseudovirus entry assay ready for release