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. 2019 Oct 10;11(10):932. doi: 10.3390/v11100932

Figure 2.

Figure 2

Single nucleotide polymorphism (SNP) frequency plots of the challenge virus in the inoculum. SNPs with a frequency above 20% are indicated for each sample type as follows: (a) Virus inoculum (determined following RT-PCR), and (b) virus inoculum (determined directly from the RNA). The red, green and blue colours of the bars represent non-synonymous, synonymous and untranslated region (UTR) mutations, respectively.