Global genetic diversity of human metapneumovirus fusion gene.
We analyzed 64 human metapneumovirus strains from eight countries. Phylogenetic analysis identified two groups (A and B, amino acid identity 93%-96%) and four subgroups. Although group A strains predominated, accounting for 69% of all strains, as many B as A strains were found in persons >3 years of age.
Boivin, G; Mackay, I; Sloots, TP; Madhi, S; Freymuth, F; Wolf, D; Shemer-Avni, Y; Ludewick, H; Gray, GC; LeBlanc, E
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