HIV Infection in South Australia
HIV Infection 1985 - 31/12/03
In South Australia, 884 individuals have been diagnosed with
HIV infection, 799 (90%) males and 85 (10%) females. Of the males, 610 (76%) reported male-to-male sexual contact,
52 (6%) reported injecting drug use and 35 (4%) reported both risk
factors. Heterosexual transmission was reported by 53 (62%) females
diagnosed with HIV infection, 26 (31%) females reported injecting drug
use (Table
1.1).
HIV Infection 01/10/03 - 31/12/03
Fourteen individuals
(12 male, 2 female) were diagnosed with HIV infection during the fourth
quarter (Table 1.2).
Ten
men reported male-to-male sexual contact as their risk factor.
Of
the twelve males diagnosed during the fourth quarter two had acquired the
infection in the preceding 12 months and reported male-to-male sexual
contact as a risk factor (Table 1.3).
Newly acquired cases refer to infections acquired in the last 12
months. These cases are
identified by negative serology in the preceding 12 months or diagnosed
seroconversion illness in the preceding 12 months.
Newly acquired infections
Laboratory Screening For HIV Infection
01/10/03 - 31/12/03
During the fourth quarter of 2003, 19333
screening tests were performed, 8477 (44%) on males, 10856 (56%) on
females (Table 1.5).
Table 1.1
HIV infection
detected in South Australia, 1985 - 31/12/03.
Exposure category by sex.
|
|
Male
|
Female
|
Total
|
|
Exposure
category
|
No.
|
%
|
No.
|
%
|
No.
|
%
|
|
Homosexual
contact
|
610
|
76
|
na
|
|
610
|
69
|
|
Homosexual
contact/IDU
|
35
|
4
|
na
|
|
35
|
4
|
|
Heterosexual
contact
|
52
|
6
|
53
|
62
|
105
|
12
|
|
IDU
|
61
|
8
|
26
|
31
|
87
|
10
|
|
Blood
products
|
7
|
1
|
2
|
2
|
9
|
1
|
|
Other
|
4
|
1
|
3
|
4
|
7
|
1
|
|
Unknown
|
30
|
4
|
1
|
1
|
31
|
3
|
|
Total
|
799
|
|
85
|
|
884
|
|
Table 1.2
HIV infection detected in South Australia, 01/10/03 - 31/12/03
and year.
Exposure category by sex.
|
|
4th Quarter
01/10/03 - 31/12/03
|
Year
01/01/03 -
31/12/03
|
|
Exposure category
|
Male
|
Female
|
Male
|
Female
|
|
Homosexual
|
10
|
na
|
31
|
na
|
|
Homosexual/IDU
|
-
|
na
|
2
|
na
|
|
Heterosexual/IDU
|
-
|
-
|
3
|
1
|
|
Heterosexual
contact
|
2
|
2
|
3
|
2
|
|
Not stated
|
-
|
-
|
2
|
-
|
|
Total
|
12
|
2
|
41
|
3
|
na
not applicable
Table 1.3
Newly acquired infections (Incident cases*) of HIV, 01/10/03 - 31/12/03
and year.
Exposure category by sex.
|
|
4th
Quarter
|
Year
|
|
|
01/10/03 - 31/12/03
|
01/01/03
- 31/12/03
|
|
Exposure
category
|
Male
|
Female
|
Male
|
Female
|
|
Homosexual
|
2
|
na
|
14
|
na
|
|
Homosexual/IDU
|
-
|
na
|
2
|
na
|
|
Heterosexual
|
-
|
1
|
-
|
1
|
|
Heterosexual/IDU
|
-
|
-
|
1
|
-
|
|
Total
|
2
|
1
|
17
|
1
|
Table
1.4 HIV
infection in males in South Australia, 01/10/03 - 31/12/03
and
year.
Case category by age at diagnosis.
|
|
4th
Quarter
|
Year
|
|
|
01/10/03 - 31/12/03
|
01/01/03
- 31/12/03
|
|
|
Age group
(years)
|
Age group
(years)
|
|
Case
category
|
<25
|
25
- 39
|
³40
|
<25
|
25
- 39
|
³40
|
|
Newly
acquired1
|
-
|
|
2
|
2
|
7
|
8
|
|
Greater
than 12 months2
|
-
|
1
|
2
|
-
|
5
|
3
|
|
Uncertain
duration3
|
-
|
3
|
2
|
-
|
6
|
7
|
|
Known
positive overseas
|
-
|
2
|
-
|
-
|
2
|
1
|
|
Total
|
|
6
|
6
|
2
|
20
|
19
|
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 more than 12 months ago.
3
Uncertain duration - tested for the first time this year and no
seroconversion illness or AIDS defining illness
present.
Table 1.5
Summary
of HIV antibody tests, 01/10/03 - 31/12/03 and year.
Laboratory by sex.
|
|
4th
Quarter
01/10/03 - 31/12/03
|
Year
01/01/03
- 31/12/03
|
|
Laboratory
|
Male
|
Female
|
Unknown
|
Male
|
Female
|
Unknown
|
Total
|
|
Public
|
5494
|
6681
|
-
|
21627
|
26728
|
212
|
48567
|
|
Private
|
2983
|
4175
|
-
|
12475
|
18364
|
3
|
30842
|
|
Total
|
8477
|
10856
|
-
|
34107
|
45092
|
215
|
79402
|
|
Health
on the Net Code of Conduct for health-related sites