Table 2. Sequence datasets for phylogenetic and for positive selection analyses.

Virus group	Gene	Region analysed	Reference strain	Root for phylogenetic reconstruction
HRSV-A	G	Residue 13 to C terminus	Long	HRSV-B
HRSV-B	G	Residue 35 to C terminus	WV/B1/85	HRSV-A
HRSV	F	Residues 358–554	Long	Bovine RSV
HMPV-A1	G	Residue 1 to C terminus	Analysed for positive selection only
HMPV-B	G	Residue 35 to C terminus	Analysed for positive selection only
HMPV	G	Residue 35 to C terminus	CAN97-83	Unrooted
HMPV	F	Residues 385–531	CAN97-83	AMPV-C