Table 2.

Number of virus isolated (polio and NPENT together) according to the immune status of the children at the time of inclusion.

	HIV-/A	HIV+/A	HIV-/I	HIV+/I
A	17	3	1	5
B	13	1	3	3
C	7	1	1	3
D	5	2	2	3
E	10	2	2	2
F	10	2	4	4
G	3	1	1	4
H	3	0	0	0
I	3	1	2	3
J	0	0	0	0
Total	71	13	16	27

Patients have been classified according to the CD4 count: i) group A no immunodepression (n = 37); ii) group I immunodepression (n = 16). Children under 12 month of age were considered as immunodepressed if the CD4+ count was <500/mm3, and children of more than 12 month of age were considered immunodepressed if the CD4+ was <750/mm3 [11].