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Figure 1 | Virology Journal

Figure 1

From: The highly pathogenic H7N3 avian influenza strain from July 2012 in Mexico acquired an extended cleavage site through recombination with host 28S rRNA

Figure 1

Frequency of occurrence of H7N3 strains with and without extended cleavage site. 257 HAs from H7N3 strains since the year 2000 were downloaded from GISAID and their absolute numbers per year shown as bar plot (values on left axis). The orange curve shows the percentage of sequences with extended cleavage site as defined by a consensus motif of R-x-x-R (where the final R is the normal cleavage site without insertion).

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