Table 1.

Clinical data from 5 HIV-1 dual infected individuals

Case	Institution	Risk category	Time points	CD4 (cells/μl)	VL (RNA copies/ml plasma)	HAART*
1	R. Mejia Hospital	Bisexual male	S1	NA	2,5 x104	d4T 3TC EFV (failure)
			S2		3,3 x105	ddI ZDV SQV/r (failure)
2	R. Mejia Hospital	Bisexual male	Unique sample	NA	446	No
3	FUNDAI	Bisexual male	Unique sample	> 400	< 50	ZDV 3TC EFV (effective)
4	FUNDAI	Bisexual male- IDU	S1	447	5,7 x104	No
			S2	905	8,2 x104
5	FUNDAI	IDU	S1	453	NA	ddI D4T NVP**
			S2	497	1,2 x104

* At the moment of dual infection detection.

** This treatment was two years before sampling.

NA: not available.