Fig. 3From: Characterization of emerging Newcastle disease virus isolates in ChinaVirus shedding titers from bird oropharyngeal swabs collected on selected days after NDV/chicken/TC/1/2011 strains challenge. a Mean virus titers of oropharyngeal swabs of immunized groups on all sampling days. b Comparison of oropharyngeal virus titers at 2 day post-challenge. *Significant difference (P < 0.05) from Oil-LasBack to article page