HIV Infection 1985 - 31/03/04
In South Australia 899 individuals have been diagnosed with
HIV infection, 813 (90%) males and 86 (10%) females. Of the males, 617 (76%) reported male-to-male sexual contact,
55 (7%) reported injecting drug use and 36 (4%) reported both risk
factors. Injecting drug use
was reported by 26 (30%) females diagnosed with HIV infection and 54 (63%)
reported heterosexual transmission.
(Table
1.1).
HIV Infection 01/01/04 - 31/03/04
Fourteen males were diagnosed with HIV infection in the first
quarter of this year (Table
1.2). Five of the
fourteen men acquired their infection in the preceding 12 months.
The three men who reported heterosexual exposure were from or had
female partners from countries where HIV infection is predominately
transmitted through heterosexual contact (Table 1.3).
Laboratory Screening For HIV Infection 01/01/04 - 31/03/04.
During the first quarter of 2004, 20690
screening tests were performed; 8697 (42%) on males, 11993 (58%) on
females (Table 1.5).
Table
1.1 HIV infection detected in South Australia, 1985 - 31/03/04.
Exposure category by sex.
|
|
Male
|
Female
|
Total
|
|
Exposure
category
|
No.
|
%
|
No.
|
%
|
No.
|
%
|
|
Homosexual
contact
|
617
|
76
|
na
|
|
617
|
69
|
|
Homosexual
contact/IDU
|
36
|
4
|
na
|
|
36
|
4
|
|
Heterosexual
contact
|
55
|
7
|
54
|
63
|
109
|
12
|
|
IDU
|
62
|
7
|
26
|
30
|
88
|
10
|
|
Blood
products
|
7
|
1
|
2
|
2
|
9
|
1
|
|
Other
|
4
|
1
|
3
|
4
|
7
|
1
|
|
Unknown
|
32
|
4
|
1
|
1
|
33
|
3
|
|
Total
|
813
|
|
86
|
|
899
|
|
na
not applicable
Table 1.2
HIV infection detected in South Australia, 01/01/04 - 31/03/04.
Exposure category by sex.
|
Exposure category
|
Male
|
Female
|
|
Homosexual
|
7
|
na
|
|
Homosexual/IDU
|
1
|
na
|
|
Heterosexual/IDU
|
1
|
-
|
|
Heterosexual contact
|
3
|
1
|
|
Not stated
|
2
|
-
|
|
Total
|
14
|
1
|
na
not applicable
Table
1.3
Newly acquired infections (Incident cases*) of HIV, 01/01/04 - 31/03/04.
Exposure category by sex.
|
Exposure
category
|
Male
|
Female
|
|
Homosexual
|
3
|
na
|
| Heterosexual |
1
|
-
|
| Not
stated |
1
|
-
|
|
Total
|
5
|
-
|
*
Incident case - negative serology or diagnosed seroconversion
illness in the
preceding 12 months.
na not applicable
Table
1.4 HIV
infection in males in South Australia, 01/01/04 - 31/03/04.
Case category by age at diagnosis.
|
|
Age
group (years)
|
|
Case
category
|
<25
|
25
- 39
|
³40
|
|
Newly
acquired1
|
1
|
1
|
3
|
|
Greater
than 12 months2
|
-
|
2
|
1
|
|
Uncertain
duration3
|
-
|
4
|
2
|
|
Known
positive overseas
|
-
|
-
|
-
|
|
Total
|
1
|
7
|
6
|
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, 01/01/04 - 31/03/04.
Laboratory by sex.
|
Laboratory |
Male |
Female |
Unknown |
Total |
|
Private |
2957
|
4458
|
-
|
7415
|
|
Public |
5740
|
7535
|
-
|
13275
|
|
Total |
8697
|
11993
|
-
|
20690
|
|
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