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  2005

Epidemiologic 

Report

Summary of Sexually Transmitted Diseases in South Australia in 1999

Note: The full epidemiologic report of STD Statistics in South Australia in 1999 
is available for download in Adobe Acrobat (pdf) format.

South Australia

Clinic 275

Clinic 275 contact tracing

In 1999, 1017 (73/100000) cases of chlamydia, 237 (17/100000) cases of gonorrhoea and 16 (1/100000) cases of syphilis were detected in South Australia (Table 1).

In the same period, 22 individuals were notified with HIV infection, 11 individuals were notified with AIDS and nine individuals died of an AIDS defining illness (Table 2).

During 1999, medical notifications of hepatitis C infection included 82 incident cases (newly acquired cases). Hepatitis B medical notifications in 1999 included 15 acute cases (Table 2).

Table 1: Summary statistics: Sexually transmitted diseases in South Australia, 1999

Table 2: Summary statistics: Blood borne diseases in South Australia, 1999

The most common infection diagnosed at Clinic 275 continues to be genital warts (20% male, 11% female) (Figure 1). Other common conditions in males were urethral irritation (5%), balanitis (4%), NSU (3%) and chlamydia (3%). In females, conditions included candida vaginitis (12%), bacterial vaginosis (6%), chlamydia (3%) and genital herpes (3%) (Figure 1). A high proportion of clients attending Clinic 275 had no illness (43% male, 45% female) (Figure 1). Overall there were 13511 clinic attendances in 1999 (Table 3).

Figure 1: Distribution of illness detected in male and female clients at Clinic 275, 1999

Table 3: Summary of diagnoses made on clients attending Clinic 275 during 1999.     Specific diagnoses by number of clients, episodes and sex.

*since an episode of care may result in multiple diagnoses, total diagnoses exceed total episodes

Clinic 275 followed up 191 cases of chlamydial infection. Of these, contact tracing was effective in detecting 27 new cases in contacts of males and 11 in contacts of females, with a yield of 1.5 contacts per male index case and two contacts per female index case (Table 4). Of the 38 new cases detected, ten individuals were examined within two days of being contacted (Table 5).

Clinic 275 followed up 36 cases of gonorrhoea. Six new cases were detected in contacts of males examined, while no cases were detected among contacts of females cases (Table 4). Six contacts had been diagnosed prior to being located.

No female cases identified

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