Table 1.

PCR primers sequences used in this study

PCR	Primer	Sequence (5′–3′)	Amplicon size (bp)
SV40 diagnostic	SV40-for2	CTTTGGAGGCTTCTGGGATGCAACT	574
	SV40 rev	GCATGACTCAAAAAACTTAGCAATTCTG
	SV40-forin	CTGGTGTTGATGCAATATACTGC	493
	PYV-rev	GAAAGTCTTTAGGGTCTTCTACC
Type specific	SV40 ctrl out-F	ATATGCCTTTCTCATMAGAGG	791 (classical strain 776)
	SV40 ctrl out-R	CAGACACAGTAGCAATTAGGTC	703 (type 2 strain Ri257)
	SV40 classic-F	CTAGAAGGTCCATTAGCTGCAAA	666
	SV40 classic-R	AAACTTACCAGTTAACTTTCTGG
	SV40 type 2-F	AAAAGGTCCATTAATTGCAGGG	575
	SV40 type 2-R	ACCTTACCTATTTGCCAGTGTTG
Late region	Late-Fout	GCAAATGCAGTTAGTAGACATAC	2,350
	Late-Rout	TGGTCCTATAGTTAGCTAGCAC
	Late-Fin	GCCTCCAAAATCAGGTTGATG	2,010
	Late-Rin	GGAATTCTGGCCACACTGTAG
Early region	Early-Fout	GCAGTTTACTGATGACTCTCCAG	3,450
	Early-Rout	CTATTCTAGAAGTAGTGAGGAGGC
	Early-Fin	AGAATTCCATTGCCTAATTTA	3,274
	Early-Rin	ATATTCCTCTTATGAGAAAGGC