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. 2021 Nov 19;13(11):2307. doi: 10.3390/v13112307

Figure 1.

Figure 1

Maximum likelihood tree including all currently available feline herpesvirus type 1 (FHV-1) isolates along with canine herpesvirus (CHV-1/0194) as an outgroup (orange). Eight of ten cheetah isolates (purple) fell into Clade 1, with closest relations to one of the three modified live vaccines (MLV; black). Two cheetah isolates (MM-5 and MM-6) were sisters to FHV-1 strains previously isolated from domestic cats in Australia (green). Those strains in blue are previously analyzed FHV-1 isolates from domestic cats within the USA. CH-B strain (red) was previously isolated from China and falls outside of the clade structure but is closely genetically related to Clade 1.