TABLE 1.
Distribution of HIV-1 subtypes in Australia according to risk group, subtype, and geographic origin of infectiona
| Subtype (no.) | No. from risk group
|
|||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Homosexual-bisexual (n = 47)
|
Heterosexual (n = 46)
|
Vertical (n = 13)
|
IDU (n = 21)
|
Nosocomial (n = 8)
|
Other (n = 6)b
|
|||||||||||||||||||||||||||||||
| Asia | Africa | Europe | Americas | Australasia | Unknown | Asia | Africa | Europe | Americas | Australasia | Unknown | Asia | Africa | Europe | Americas | Australasia | Unknown | Asia | Africa | Europe | Americas | Australasia | Unknown | Asia | Africa | Europe | Americas | Australasia | Unknown | Asia | Africa | Europe | Americas | Australasia | Unknown | |
| A (5) | 3 | 1 | 1 | |||||||||||||||||||||||||||||||||
| B (104) | 1 | 1 | 2 | 40 | 9 | 2 | 8 | 1 | 2 | 7 | 1 | 20 | 7 | 3 | ||||||||||||||||||||||
| C (17) | 3 | 9 | 3 | 1 | 1 | |||||||||||||||||||||||||||||||
| E (13) | 2 | 1 | 8 | 1 | 1 | |||||||||||||||||||||||||||||||
| G (2) | 2 | |||||||||||||||||||||||||||||||||||
| Total (141) | 3 | 1 | 2 | 40 | 1 | 20 | 14 | 1 | 2 | 8 | 1 | 3 | 3 | 7 | 1 | 20 | 1 | 7 | 1 | 1 | 1 | 3 | ||||||||||||||
a
All samples were collected from individuals resident in Australia. The geographic regions listed identify where individuals reported HIV-1 acquisition; Americas includes North and South America, and Australasia includes Australia, Papua New Guinea, and New Zealand.
b
Other includes one individual who acquired HIV-1 through ritualistic practices in Africa, three who acquired HIV-1 through contaminated blood products, and two who acquired HIV nonsexually from other family members.