Table 3.

Excretion of JCV in indigenous and control cohorts

Group	Total no.	No. positive	% positive	No. double infections	Total strains
Navaho	68	45	66	1	46
Flathead	25	14	56	2	16
Chamorro	29	20	69	0	20
Total	122	79	65	3	82
PA & MD	107	43	40	2	45
HIV	71	32	45	0	32
MS	92	40	43	2	42
Total	270	115	43	4	119
Hungarian	60	25	42	0	25

PA & MD, Pennsylvania and Maryland.