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Blockade of SA11 infection of MA104 (A) and Caco-2 (B) cells by monomeric and polymeric peptides containing DGEA. Cells were treated with peptides prior to virus infection, at concentrations ranging from 0.015 to 2.0 mM, as described in Materials and Methods. The infectivity titer of virus in the presence of peptide is expressed as a percentage of the titer obtained in the absence of peptide (control).
