Figure 4

Phylogenetic trees of hemagglutinating encephamylitis virus HE sequences. Phylogenetic trees of PHEV based on the complete open reading frames. In trees, the results after bootstrap replicates are indicated, Porcine hemagglutinating encephalomyelitis virus (PHEV-JLsp09/AY07841/AF481863/DQ011855); Bovine coronavirus (DQ915164/EF424615/AF239308); Human coronavirus OC43 (AY585229/AY391777); Influenza C virus (D63469/D63472).