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Ganglioside-mediated inhibition of respirovirus infection of LLC-MK2 cells. The percentage of infectivity is the ratio of the total number of cells infected with viruses (SV [A], hPIV-1 [B], or hPIV-3 [C]) that were pretreated with various gangliosides (y axis; in nanomoles) to the number of cells infected with viruses that were not pretreated with gangliosides. The values are the means and standard deviations for three measurements.
