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  Pamphlet
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HIV Infection in South Australia

HIV Infection 1985 - 30/06/03

 In South Australia, 854 individuals have been diagnosed with HIV infection, 771 (90%) males and 83 (10%) females.  Of the males, 591 (76%) reported male-to-male sexual contact, 58 (7%) reported injecting drug use and 33 (4%) reported both risk factors.  Heterosexual transmission was reported by 51 (62%) females diagnosed with HIV infection, 26 (31%) females reported injecting drug use (Table 1.1).

HIV Infection 01/04/03 - 30/06/03

Twelve individuals (11 male, 1 female) were diagnosed with HIV infection during the second quarter (Table 1.2). Ten men reported male-to-male sexual contact as their risk factor.

Newly acquired infections

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.  Of 11 males diagnosed during the second quarter, four 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 01/04/03 - 30/06/03.

During the second quarter of 2003, 19927 screening tests were performed; 8672 (44%) on males, 11242 (56%) on females and 101 tests on individuals whose sex was not stated. (Table 1.4).

Table 1.1  HIV infection detected in South Australia, 1985 - 30/06/03.
                Exposure category by sex.

^{n.a. not applicable}

Table 1.2  HIV infection detected in South Australia, 01/04/03 - 30/06/03.
                 Exposure category by sex.

^{n.a. not applicable}

Table 1.3  HIV infection detected in South Australia, 01/04/03 - 30/06/03.
                Case category by age at diagnosis.

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. 

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  Summary of HIV antibody tests,  01/04/03 - 30/06/03.
                Laboratory by sex.

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