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Binding of respiroviruses to serial dilutions of blood group I-type gangliosides containing different terminal molecular species of sialic acid in solid-phase binding assays. The binding activities of SV (A), hPIV-1 (B), and hPIV-3 (C) were calculated as described in the legend to Fig. 2. Symbols: ○, NeuAcα2–3I; ●, NeuGcα2–3I.
