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Volume 5, Number 1—February 1999

Dual and Recombinant Infections: An Integral Part of the HIV-1 Epidemic in Brazil

Artur Ramos*†, Amilcar Tanuri†, Mauro Schechter†, Mark A. Rayfield*, Dale J. Hu*, Maulori C. Cabral†, Claudiu I. Bandea*, James Baggs‡, and Danuta Pieniazek*Comments to Author 
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Universidade Federal do Rio de Janeiro, Brazil; ‡Emory University, Atlanta, Georgia, USA

Main Article

Table 3

Characteristics of the study population

Characteristic Dual infection
n=3 Recombinant 
n=6 Subtype B
n=66 Subtype F
Gender (Female/male) 1/2 3/3 24/42 3/1
Mean age in years (range) 36 (30-44) 34 (25-45) 37 (23-60) 34 (26-43)
Clinical stagea
1 3 5 29 4
2 1 17
3 14
4 6
Mean CD4 cells (range) 527 (404-743) 484 (190-821) 403 (59-1281)b 823 (570-1270)
Years of 1st serologic tests
1985-1987 2
1988-1991 2 2 30 2
1992-1994 1 4 34 2
Heterosexual 2 5 27 4
Homosexual 1 19
Bisexual 8
Blood transfusion recipient 3
Intravenous drug user 1
Multiple factors 1 2
Unknown 6

aWHO staging system [32].
bBased on data available for 54 patients.

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