Table 1.

Proven and possible diseases associated with PyVs

Host	Virus name	Species	Abbr.	Clinical correlate	Ref.
Human	Merkel cell polyomavirus	Human polyomavirus 5	MCPyV	Merkel cell cancer	[6]
Human	Trichodysplasia spinulosa-associated polyomavirus	Human polyomavirus 8	TSPyV	Trichodysplasia spinulosa	[15]
Human	BK polyomavirus	Human polyomavirus 1	BKPyV	Polyomavirus-associated nephropathy; haemorrhagic cystitis	[4]
Human	JC polyomavirus	Human polyomavirus 2	JCPyV	Progressive multifocal leukoencephalopathy (PML)	[5]
Human	Human polyomavirus 6	Human polyomavirus 6	HPyV6	HPyV6 associated pruritic and dyskeratotic dermatosis (H6PD)	[16]
Human	Human polyomavirus 7	Human polyomavirus 7	HPyV7	HPyV7-related epithelial hyperplasia	[16]
Monkey	Simian virus 40	Macaca mulatta polyomavirus 1	SV40	PML-like disease in Immunocompromised animals	[3]
Hamster	hamster polyomavirus	Mesocricetus auratus polyomavirus 1	HaPyV	Skin tumors	[17]
Mouse	mouse pneumotropic virus	Mus musculus polyomavirus 2	MPtV	Respiratory disease in suckling mice	[18]
Bird	budgerigar fledgling disease virus	Aves polyomavirus 1	BFDV	Budgerigar fledgling disease; polyomavirus disease	[19–21]
Finch	Finch polyomavirus	Pyrrhula pyrrhula polyomavirus 1	FPyV	Polyomavirus disease	[22]
Goose	Goose hemorrhagic polyomavirus	Anser anser polyomavirus 1	GHPV	Hemorrhagic nephritis and enteritis	[23]

References are specified for first description