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. 2020 Apr 28;7:190. doi: 10.3389/fvets.2020.00190

Figure 1.

Figure 1

Geographical distribution of fowl adenovirus (FAdV) infection and phylogenetic analysis of isolates collected from different regions in central China from January 2015 to May 2018. (A) The Chinese provinces (in gray) and cities (red dots) where FAdV-infected chickens were collected in this study. (B) Phylogenetic analysis of the hexon gene from 73 isolates and 23 reference strains of FAdVs (filled diamonds) using MEGA version 5.2 with the neighbor-joining method and 1,000 bootstrap replicates. The red dot indicates the pathogenicity assessment of the CH/HBTF/ 1710 isolate.