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Figure 1.


Total virus excretion (cumulative virus excretion (against time)) of the three inoculated pigs in faeces and oropharyngeal fluid until the second day (white bar), third day (grey bar), fourth day (striped bar) or fifth day (black bar) of virus excretion (depending on strain and sample type, the first day of virus excretion was observed between days 3 and 5 p.i.). a,b: Bars of the same colour with no common letter differ significantly (p < 0.05). Error bars represent standard error of the mean (SEM).

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