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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Virology. 2014 Dec 24;476:124–133. doi: 10.1016/j.virol.2014.12.007

Figure 4. The neutralizing titer of trachea-derived influenza-specific antibody is lower in infant animals.

Figure 4

Neutralizing antibody titer in the tracheal wash and BAL of infected infant and adult animals was assessed at d8 and d14 p.i., respectively. Neutralization capacity was determined by inhibition of infectivity of a GFP expressing virus. The neutralization titer was defined as the dilution at which infectivity of the virus was inhibited by 50%. Significance at each timepoint was determined using a Mann Whitney test. * p≤0.05.