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. 2016 Dec 22;6:39505. doi: 10.1038/srep39505

Figure 2. Impact of different cleavage site motifs on mortality and mean death time in inoculated chickens.

Figure 2

Six chickens were inoculated with different recombinant viruses by oculonasal route. Black chickens refer to dead chickens after inoculation while white chickens refer to animals which survived the infection. Numbers refer to the mean death time (MDT) per day (d) after inoculation for 10 days observation period.