HIV Infection 1985 - 30/06/07
In
South Australia
, 1086 individuals have been diagnosed with HIV infection, 978 (90%) males
and 108 (10%) females. Of the
males, 724 (74%) reported male-to-male sexual contact, 74 (8%) reported
injecting drug use and 47 (5%) reported both risk factors.
Heterosexual transmission was reported by 69 (63%) females
diagnosed with HIV infection, 32 (30%) females reported injecting drug use
(Table
1.1).
HIV Infection 01/04/07 - 30/06/07
Ten males and two females were diagnosed with HIV infection
during the second quarter. Of
the ten males notified, seven reported male-to-male sexual contact as
their risk factor, two males reported heterosexual sexual contact with a
partner from a country where HIV is transmitted predominantly by
heterosexual contact. (Table
1.2).
Newly
acquired infections 01/04/07 - 30/06/07.
Of the 10 males diagnosed during the second quarter, three
had acquired their infection in the preceding 12 months (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 01/04/07 - 30/06/07.
Collated laboratory
data for HIV antibody tests are shown in (Table 1.5)..
Table 1.1 HIV infection
detected in South Australia, 1985 - 30/06/07.
Exposure category by sex.
|
Exposure category
|
Male |
Female |
Total |
|
No. |
% |
No. |
% |
No. |
% |
|
Homosexual contact |
724
|
74
|
na
|
na
|
724
|
66
|
|
Homosexual contact/IDU |
47
|
5
|
na
|
na
|
47
|
4
|
|
Heterosexual contact (overseas) |
32
|
3
|
34
|
31
|
66
|
6
|
|
Heterosexual
contact |
52
|
5
|
35
|
32
|
87
|
8
|
|
IDU |
74
|
8
|
32
|
30
|
106
|
10
|
|
Blood products |
8
|
1
|
2
|
2
|
10
|
1
|
|
Other |
5
|
1
|
3
|
3
|
8
|
1
|
|
Unknown |
36
|
3
|
2
|
2
|
38
|
4
|
|
Total |
978
|
|
108
|
|
1086
|
|
na
not
applicable
Table 1.2
HIV infection
detected in South Australia, 01/04/07 - 30/06/07
and year to date. Exposure category by sex.
|
Exposure
category
|
2nd
Quarter
01/04/07 - 30/06/07
|
Year
to date
01/01/07 - 30/06/07
|
|
Male
|
Female
|
Male
|
Female
|
|
|
7
|
na
|
21
|
na
|
|
Homosexual
/IDU
|
-
|
na
|
2
|
na
|
|
Heterosexual
|
1
|
-
|
1
|
1
|
|
Heterosexual (overseas)
|
2
|
2
|
4
|
2
|
|
Heterosexual/IDU
|
-
|
-
|
2
|
1
|
|
Not stated
|
-
|
-
|
-
|
-
|
|
Total
|
10
|
2
|
30
|
4
|
na
not applicable
Table
1.3 HIV
infection in males in South Australia, 01/04/07 - 30/06/07
and year to date. Case category by age at diagnosis.
|
Case
category
|
2nd
Quarter
01/04/07 - 30/06/07
Age group
(years)
|
Year to
date
01/01/07 - 30/06/07
Age group
(years)
|
|
<25
|
25
- 39
|
³40
|
<25
|
25
- 39
|
³40
|
|
Newly
acquired1
|
1
|
2
|
-
|
1
|
2
|
2
|
|
Greater
than 12 months2
|
-
|
1
|
1
|
-
|
4
|
7
|
|
Uncertain
duration3
|
-
|
2
|
3
|
-
|
6
|
4
|
|
Known positive (overseas)
|
-
|
-
|
-
|
-
|
2
|
2
|
|
Total
|
1
|
5
|
4
|
1
|
14
|
15
|
1
Incident case - negative serology 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
1.4 Newly acquired HIV infection (incident cases1) 01/04/07 - 30/06/07
and year to date. Exposure category by sex.
|
Case
category
|
2nd
Quarter
01/04/07 - 30/06/07
|
Year
to date
01/01/07 - 30/06/07
|
|
Male
|
Female
|
Male
|
Female
|
|
Homosexual
|
3
|
-
|
5
|
-
|
|
Total
|
3
|
-
|
5
|
-
|
not
applicable
1
Incident case - negative serology or
diagnosed illness in the preceding
12 months.
Table
1.5 Summary of HIV antibody tests, 01/04/07 - 30/06/07.
Laboratory by sex.
|
Laboratory
|
2nd Quarter
01/04/07 - 30/06/07 |
Year to date
01/01/07 - 30/06/07 |
|
Male |
Female |
Unknown |
Male |
Female |
Unknown |
Total |
|
Public
|
6015
|
8060
|
31
|
11883
|
17007
|
63
|
28953
|
|
Private
|
2761
|
4371
|
-
|
5621
|
9076
|
4
|
14701
|
|
Total
|
8776
|
12431
|
31
|
17504
|
26083
|
67
|
43654
|
|
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