Figure 1.
Phylogenetic relationship of human astrovirus (HAstV)–VA1/HMO-C-UK1(a) () and -UK1(b) (
) to other astroviruses (AstVs) based on RNA-dependent RNA polymerase nucleotide sequences.
indicates other AstV species that have been reported in patients with neurological disease.
indicates sequences of animal origin, not human. Scale bar represents the number of base substitutions per site. Abbreviations: BAstV, bat astrovirus; MAstV, mink astrovirus; OAstV, ovine astrovirus; TAstV, turkey astrovirus.