HIV Infection 1985 - 30/06/04
IIn South Australia, 910 individuals have been diagnosed with
HIV infection, 823 (90%) males and 87 (10%) females. Of the males, 624 (76%) reported male-to-male sexual contact,
62 (7%) reported injecting drug use and 37 (4%) reported both risk
factors. Heterosexual
transmission was reported by 54 (62%) females diagnosed with HIV
infection, 26 (30%) females reported injecting drug use (Table
1.1).
HIV Infection 01/04/04 - 30/06/04
Eleven
males and one female were diagnosed with HIV infection during the second
quarter. Eight men reported
male-to-male sexual contact as their risk factor
(Table
1.2).
Newly
acquired infections
Of
the eleven males diagnosed during the second quarter, four had acquired
their infection in the preceding 12 months. Three of the four men reported
male-to-male sexual contact as their risk factor
(Table 1.3).
Newly
acquired cases are infections acquired in the last 12 months, and are
identified by negative serology in the preceding 12 months or diagnosed
seroconversion illness in the preceding 12 months.
Laboratory Screening For HIV Infection 01/04/04 - 30/06/04.
During
the second quarter of 2004, 20960 screening tests were performed, 8991
(43%) on males, 11969 (57%) on females
(Table 1.5).
Table 1.1 HIV infection
detected in South Australia, 1985 - 30/06/03.
Exposure category by sex.
|
Exposure category
|
Male |
Female |
Total |
|
No. |
% |
No. |
% |
No. |
% |
|
Homosexual contact |
624
|
76
|
na
|
|
624
|
69
|
|
Homosexual contact/IDU |
37
|
4
|
na
|
|
37
|
4
|
|
Heterosexual contact |
56
|
7
|
55
|
62
|
111
|
12
|
|
IDU |
62
|
7
|
26
|
30
|
88
|
10
|
|
Blood products |
8
|
1
|
2
|
2
|
10
|
1
|
|
Other |
4
|
1
|
3
|
4
|
7
|
1
|
|
Unknown |
32
|
4
|
1
|
2
|
33
|
3
|
|
Total |
823
|
|
87
|
|
910
|
|
n.a. not
applicable
Table 1.2
HIV infection
detected in South Australia, 01/04/04 - 30/06/04.
Exposure category by sex.
|
Exposure
category
|
2nd
Quarter
01/04/04 - 30/06/04
|
Year
to date
01/01/04 - 30/06/04
|
|
Male
|
Female
|
Male
|
Female
|
|
|
8
|
na
|
15
|
na
|
|
Heterosexual/IDU
|
-
|
na
|
1
|
na
|
|
Heterosexual
|
1
|
1
|
4
|
2
|
|
Heterosexual/IDU
|
1
|
-
|
2
|
-
|
|
Blood Products (overseas)
|
1
|
-
|
1
|
-
|
|
Not stated
|
-
|
-
|
2
|
-
|
|
Total
|
11
|
1
|
25
|
2
|
Table 1.3
Newly acquired HIV infection (incident cases1)
01/04/04 - 30/06/04 and year to date.
Exposure category by sex.
|
Case
category
|
2nd
Quarter
01/04/04
- 30/06/04
|
Year
to date
01/01/04
- 30/06/04
|
|
Male
|
Female
|
Male
|
Female
|
|
Homosexual
|
3
|
na
|
6
|
na
|
|
Heterosexual
|
-
|
|
1
|
-
|
|
Blood
products (overseas)
|
1
|
-
|
1
|
-
|
|
Not
stated
|
-
|
-
|
1
|
|
|
Total
|
4
|
|
9
|
|
1
Incident case - negative serology in the preceding 12 months or
diagnosed seroconversion illness in the
preceding
12 months. All newly acquired infections in 2003 occurred in
homosexual males.
n.a. not
applicable
Table
1.4 HIV
infection in males in South Australia, 01/04/03 - 30/06/04 and
year.
Case category by age at diagnosis.
|
|
2nd
Quarter
|
Year to
date
|
|
|
01/04/03 -
30/06/04
|
01/01/04
- 30/06/04
|
|
|
Age group
(years)
|
Age group
(years)
|
|
Case
category
|
<25
|
25
- 39
|
³40
|
<25
|
25
- 39
|
³40
|
|
Newly
acquired1
|
-
|
4
|
-
|
1
|
5
|
3
|
|
Greater
than 12 months2
|
-
|
3
|
1
|
-
|
6
|
2
|
|
Uncertain
duration3
|
-
|
-
|
3
|
-
|
3
|
5
|
|
Total
|
|
7
|
4
|
1
|
14
|
10
|
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, 01/04/04 - 30/06/04.
Laboratory by sex.
|
Laboratory
|
2nd Quarter
01/04/04 - 30/06/04 |
Year to date
01/01/04 - 30/06/04 |
| |
Male |
Female |
Unknown |
Male |
Female |
Unknown |
Total |
|
Public
|
6053
|
7790
|
-
|
11793
|
15325
|
-
|
27188
|
|
Private
|
2938
|
4179
|
-
|
5895
|
8637
|
-
|
14532
|
|
Total
|
8991
|
11969
|
-
|
17688
|
23962
|
-
|
41720
|
|
Health
on the Net Code of Conduct for health-related sites