HIV Infection 1985 - 31/03/03
In South
Australia, 846 individuals have been diagnosed with HIV infection, 764
(90%) males and 82 (10%) females. Of
the males, 583 (76%) reported male-to-male sexual contact, 57 (8%)
reported injecting drug use and 33 (4%) reported both risk factors.
Injecting drug use was reported by 25 (31%) females diagnosed with
HIV infection and 51 (62%) reported heterosexual transmission (Table
1.1).
HIV Infection 01/01/03 - 31/03/03
Two
males were diagnosed with HIV infection in the first quarter of this year,
both reported male-to-male sexual contact as their risk factor. No
incident cases were reported in this quarter (Table
1.2).
Laboratory Screening For HIV Infection 01/01/03 - 31/03/03.
During
the first quarter of 2003, 19502 screening tests were performed; 8152
(42%) on males, 11329 (58%) on females, and 21 tests on individuals whose
sex was unknown (Table 1.3).
Table 1.1 HIV infection
detected in South Australia, 1985 - 31/03/03.
Exposure category by sex.
|
|
Male
|
Female
|
Total
|
|
Exposure
category
|
No.
|
%
|
No.
|
%
|
No.
|
%
|
|
Homosexual
contact
|
583
|
76
|
na
|
|
583
|
69
|
|
Homosexual
contact/IDU
|
33
|
4
|
na
|
|
33
|
4
|
|
Heterosexual
contact
|
49
|
6
|
51
|
62
|
100
|
12
|
|
IDU
|
57
|
8
|
25
|
31
|
82
|
10
|
|
Blood
products
|
7
|
1
|
2
|
2
|
9
|
1
|
|
Other
|
4
|
1
|
3
|
4
|
7
|
1
|
|
Unknown
|
31
|
4
|
1
|
1
|
32
|
3
|
|
Total
|
764
|
|
82
|
|
846
|
|
n.a. not
applicable
Table 1.2
HIV infection
detected in South Australia, 01/01/03 - 31/03/03.
Case category by age at diagnosis.
|
|
Age
group (years)
|
|
Case
category
|
25 - 39
|
|
Newly
acquired1
|
-
|
|
Greater
than 12 months2
|
2
|
|
Uncertain
duration3
|
-
|
|
Known
positive overseas
|
-
|
|
Total
|
2
|
1.
Incident
case - negative serology in the preceding 12 months or diagnosed
seroconversion illness in the preceding 12 months.
2.
Infection
likely to be greater than 12 months - risk behaviour confined to more than
12 months ago or diagnosed seroconversion illness >12 months ago.
3.
Uncertain
duration - tested for the first time this year and no seroconversion
illness or AIDS defining illness present.
Table 1.3
Summary of HIV antibody tests, 01/01/03 - 31/03/03.
Laboratory by sex
|
Laboratory |
Male |
Female |
Unknown |
Total |
|
Private |
3158
|
4878
|
-
|
8036
|
|
Public |
4994
|
6451
|
21
|
11466
|
|
Total |
8152
|
11329
|
21
|
19502
|
|