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DENV‐2 infection of A549 cells is dependent on clathrin‐mediated endocytosis. A549 cells were treated with various concentrations of ammonium chloride (A), chlorpromazine (B), dansylcadaverine (C) or nystatin (D) and infected with DENV‐2. Virus yields were quantified at 48 h p.i. Results are expressed as percentage of virus multiplication with respect to a control without drug treatment. Each point shows the mean ± SD of two independent experiments.
