Volume 5, Number 1—February 1999
Research
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*
Table 3
Characteristics of the study population
| Characteristic | Dual infection n=3 | Recombinant infection n=6 | Subtype B n=66 | Subtype F n=4 |
|---|---|---|---|---|
| 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.
