|
HIV Infection 1985 - 31/03/06
In South Australia 1006 individuals have been diagnosed with
HIV infection, 909 (92%) males and 97 (8%) females. Of the males, 681 (75%) reported male-to-male sexual contact,
69 (8%) reported injecting drug use and 39 (4%) reported both risk
factors. Injecting drug use
was reported by 29 (30%) females diagnosed with HIV infection and 61 (63%)
reported heterosexual transmission
(Table
1.1).
HIV Infection 01/01/06 - 31/03/06
Twelve males were diagnosed with HIV infection in
the first quarter of this year. Of
the 12 males, eight reported male-to-male sexual contact as their risk
factor. Risk exposure
information is currently not available for two men (Table
1.2).
Of the 12 males notified this year, four
men acquired their infection in the preceding 12 months; all four men
reported male-to-male sexual contact as their risk factor (Table 1.3).
Laboratory Screening For HIV Infection 01/01/06 - 31/03/06.
During the first quarter of 2006, 23066
screening tests were performed; 9591 (42%) on males, 13475 (58%) on
females (Table 1.5).
Table
1.1 HIV infection detected in South Australia, 1985 - 31/03/06.
Exposure category by sex.
|
Exposure
category
|
Male
|
Female
|
Total
|
|
No.
|
%
|
No.
|
%
|
No.
|
%
|
|
Homosexual
contact
|
681
|
75
|
na
|
|
681
|
68
|
|
Homosexual
contact/IDU
|
39
|
4
|
na
|
|
39
|
4
|
|
Heterosexual contact
|
27
|
3
|
30
|
31
|
57
|
6
|
|
Heterosexual
(overseas)
|
45
|
5
|
31
|
32
|
7
6
|
7
|
|
IDU
|
69
|
8
|
29
|
30
|
98
|
10
|
|
Blood
products
|
8
|
1
|
2
|
2
|
10
|
1
|
|
Other
|
4
|
1
|
3
|
3
|
7
|
1
|
|
Unknown
|
36
|
3
|
2
|
2
|
38
|
3
|
|
Total
|
909
|
|
97
|
|
1006
|
|
na
not applicable
Table 1.2
HIV infection detected in South Australia, 01/01/06 - 31/03/06.
Exposure category by sex.
|
Exposure category
|
Male
|
Female
|
|
Homosexual
|
8
|
na
|
|
Homosexual/IDU
|
1
|
na
|
|
Heterosexual (overseas)
|
1
|
2
|
|
Not stated
|
2
|
-
|
|
Total
|
12
|
2
|
na
not applicable
Table
1.3
Newly acquired infections (Incident cases*) of HIV, 01/01/06 - 31/03/06.
Exposure category by sex.
|
Exposure
category
|
Male
|
|
Homosexual
|
4
|
| Heterosexual |
-
|
|
Total
|
4
|
*
Incident case - negative serology or diagnosed seroconversion
illness in the preceding 12 months.
Table
1.4 HIV
infection in males in South Australia, 01/01/06 - 31/03/06.
Case category by age at diagnosis.
|
Case
category
|
Age
group (years)
25
- 39
³40
|
|
Newly
acquired1
|
3
|
1
|
|
Greater
than 12 months2
|
-
|
2
|
|
Uncertain
duration3
|
2
|
4
|
|
Total
|
5
|
7
|
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, 01/01/06 - 31/03/06.
Laboratory by sex.
|
Laboratory |
Male |
Female |
Total |
|
Private |
3268
|
4962
|
8230
|
|
Public |
6323
|
8513
|
14836
|
|
Total |
9591
|
13475
|
23066
|
|