Evaluation of inhibition of wild-type authentic HKU5-1 propagation in Caco-2 cells stably expressing P.abrACE2 by the indicated concentration of small molecule/peptide inhibitors. HKU5-1 infection was detected by immunofluorescence using an anti-HKU5 N protein antibody at 24 hpi. Scale bars: 100 m. See also Figure S7 and Table S3.
