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Inhibition of IAV by individual infant saliva samples. PR8 or Udorn virus (5000 PFU) were added to untreated or RDE-treated human infant saliva as described for Figure 2. The data represent the percentages of virus neutralized by saliva compared to control mixtures containing 5000 PFU of virus and RPMI + BSA. The means and standard deviations of at least three replicate samples are shown and represent data obtained from 17 individual human infants.
