HIV Infection 1985 - 30/06/05
In South Australia, 971 individuals have been
diagnosed with HIV infection, 878 (90%) males and 93 (10%) females.
Of the males, 660 (75%) reported male-to-male sexual contact, 67
(8%) reported injecting drug use and 39 (4%) reported both risk factors.
Heterosexual transmission was reported by 58 (62%) females
diagnosed with HIV infection, 29 (30%) females reported injecting drug use
(Table
1.1).
HIV Infection 01/04/05 - 30/06/05
Seventeen males and two females were diagnosed
with HIV infection during the second quarter.
Fourteen men reported male-to-male sexual contact as their risk
factor (Table
1.2).
Newly
acquired infections
01/04/05 - 30/06/05.
Of
the seventeen males diagnosed during the second quarter, nine had acquired
their infection in the preceding 12 months
(Table 1.3).
Four of the nine men reported sexual contact with anonymous male
partners (sauna and/or beats and internet), two reported sexual contact
with an HIV positive male (unknown to cases), one reported sexual contact
with men whilst overseas and two reported sexual contact with men whose
HIV status is unknown
(Table 1.4).
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 01/04/05 - 30/06/05.
During the second quarter of 2005, 24275
screening tests were performed, 10497 (43%) on males, 13750 (56%) on
females and 28 tests on individuals whose sex was not stated
(Table 1.5).
Table 1.1 HIV infection
detected in South Australia, 1985 - 30/06/05.
Exposure category by sex.
|
Exposure category
|
Male |
Female |
Total |
|
No. |
% |
No. |
% |
No. |
% |
|
Homosexual contact |
661
|
75
|
na
|
|
661
|
68
|
|
Homosexual contact/IDU |
39
|
4
|
na
|
|
39
|
4
|
|
Heterosexual contact (overseas) |
55
|
6
|
52
|
56
|
107
|
11
|
|
Heterosexual
contact |
11
|
1
|
6
|
6
|
17
|
2
|
|
IDU |
67
|
8
|
29
|
31
|
96
|
10
|
|
Blood products |
8
|
1
|
2
|
2
|
10
|
1
|
|
Other |
4
|
1
|
3
|
3
|
7
|
1
|
|
Unknown |
33
|
4
|
1
|
1
|
34
|
3
|
|
Total |
878
|
|
93
|
|
971
|
|
n.a. not
applicable
Table 1.2
HIV infection
detected in South Australia,
01/04/05 - 30/06/05.
Exposure category by sex.
|
Exposure
category
|
2nd
Quarter
01/04/05 - 30/06/05
|
Year
to date
01/01/05 - 30/06/05
|
|
Male
|
Female
|
Male
|
Female
|
|
|
14
|
na
|
20
|
na
|
|
Heterosexual/IDU
|
1
|
na
|
1
|
na
|
|
Heterosexual
|
1
|
-
|
1
|
-
|
|
Heterosexual (overseas)
|
-
|
1
|
4
|
1
|
|
Heterosexual/IDU
|
1
|
1
|
2
|
1
|
|
Not stated
|
-
|
-
|
3
|
-
|
|
Total
|
17
|
2
|
31
|
2
|
Table 1.3
Newly acquired HIV infection (incident cases1)
01/04/05 - 30/06/05 and year to date. Exposure category by sex.
|
Case
category
|
2nd
Quarter
01/04/05 - 30/06/05
|
Year
to date
01/01/05 - 30/06/05
|
|
Male
|
Female
|
Male
|
Female
|
|
Homosexual
|
9
|
na
|
13
|
na
|
|
Heterosexual
(overseas)
|
-
|
-
|
1
|
-
|
|
Total
|
9
|
|
14
|
|
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, 01/04/05 - 30/06/05
and
year.
Case category by age at diagnosis.
|
Case
category
|
2nd
Quarter
01/04/04 -
30/06/04
Age group
(years)
|
Year to
date
01/01/05 - 30/06/05
Age group
(years)
|
|
<25
|
25
- 39
|
³40
|
<25
|
25
- 39
|
³40
|
|
Newly
acquired1
|
1
|
6
|
2
|
2
|
9
|
3
|
|
Greater
than 12 months2
|
-
|
1
|
2
|
-
|
3
|
3
|
|
Uncertain
duration3
|
-
|
1
|
2
|
-
|
4
|
4
|
|
Known positive (overseas)
|
-
|
1
|
1
|
-
|
2
|
1
|
|
Total
|
1
|
9
|
7
|
2
|
18
|
11
|
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, 01/04/05 - 30/06/05.
Laboratory by sex.
|
Laboratory
|
2nd Quarter
01/04/05 - 30/06/05 |
Year to date
01/01/05 - 30/06/05 |
|
Male |
Female |
Unknown |
Male |
Female |
Unknown |
Total |
|
Public
|
6647
|
8825
|
28
|
12624
|
16690
|
135
|
29449
|
|
Private
|
3850
|
4925
|
-
|
7685
|
10132
|
-
|
17817
|
|
Total
|
10497
|
13750
|
28
|
20309
|
26822
|
135
|
47266
|
|
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