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Inferred phylogeny of human respiratory syncytial virus (HRSV) A G‐gene second variable domain of south African HRSV A isolates (red triangles) based on maximum likelihood model (Mega 5.0 under GTR GAMMA model of nucleotide evolution). Selected publicly available sequences global HRSV A sequences are represented by GenBank accession numbers (blue circles). Brackets indicate HRSV NA1 and ON1 (1.1, 1.2, and 1.3) lineages. Sample dates indicated by last 4 digits of sample names
