Related how?
Biota
(Life)
Virus
(Viruses)
Riboviria
Orthornavirae
Pisuviricota
Pisoniviricetes
Picornavirales
Caliciviridae
(Swine vesicular exanthema virus & relatives)
Norovirus (
1142751
)
Children (2 direct children, 3 direct and indirect children):
Norwalk virus
(tree size 1)
Murine norovirus