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Lec1 cells are not infected by influenza virus. (Left) CHO and Lec1 cells were infected with influenza virus (WSN) for 5 h and analyzed by immunofluorescence microscopy using anti-NP antibodies, with nuclei counterstained with Hoechst dye 33258. (Right) CHO (gray line) and Lec1 (black line) cells were also analyzed by flow cytometry. Mock-infected Lec1 cells are shown in the filled light gray trace.
