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. Author manuscript; available in PMC: 2013 Dec 1.

Published in final edited form as: J Virol Methods. 2012 Aug 4;186(1-2):126–131. doi: 10.1016/j.jviromet.2012.07.002

Fig. 1 — Kinetics of serum (a) and egg yolk (b) anti-NoV IgY response of chickens after immunization with NoV P particles. NoV-specific IgY was determined by ELISA against GII.4 (VA387) P particle antigens. The amount of NoV-specific IgY per egg yolk (green columns) was also determined (b) (right-hand Y-axis). Comparable reactivities of egg yolk IgY with NoV GII.4 (VA387) P particles (PP) and virus-like particles (VLP) were also observed (c).

Fig. 1 — Kinetics of serum (a) and egg yolk (b) anti-NoV IgY response of chickens after immunization with NoV P particles. NoV-specific IgY was determined by ELISA against GII.4 (VA387) P particle antigens. The amount of NoV-specific IgY per egg yolk (green columns) was also determined (b) (right-hand Y-axis). Comparable reactivities of egg yolk IgY with NoV GII.4 (VA387) P particles (PP) and virus-like particles (VLP) were also observed (c).