Annual hepatitis C testing and positive tests among gay and bisexual men in Australia from 2016 to 2022: a serial cross-sectional analysis of sentinel surveillance data.

Objective: Guidelines recommend annual hepatitis C virus (HCV) testing for gay and bisexual men (GBM) with HIV and GBM prescribed HIV pre-exposure prophylaxis (PrEP). However, there is a limited understanding of HCV testing among GBM. We aimed to examine trends in HCV testing and positivity from 2016 to 2022.

Utility of risk-based chlamydia testing in primary care: analysis of retrospective surveillance data among women in Melbourne, Australia.

Unlabelled: Background Chlamydia (Chlamydia trachomatis) continues to be a public health challenge in Australia, with some contention as to the best screening approach. In the present study we examined chlamydia testing, positivity and sexual behaviour among women with the aim of informing targeted testing among women aged ≥30 years.

Methods: A longitudinal analysis was conducted on retrospective surveillance data collected among women attending general practice, family planning and sexual health clinics participating in sentinel surveillance in Melbourne, Australia.

Measuring Transitions in Sexual Risk Among Men Who Have Sex With Men: The Novel Use of Latent Class and Latent Transition Analysis in HIV Sentinel Surveillance.

New combination human acquired deficiency (HIV) prevention strategies that include biomedical and primary prevention approaches add complexity to the task of measuring sexual risk. Latent transition models are beneficial for understanding complex phenomena; therefore, we trialed the application of latent class and latent transition models to HIV surveillance data. Our aims were to identify sexual risk states and model individuals' transitions between states.

Incidence and risk factors associated with chlamydia in men who have sex with men: a cohort analysis of Victorian Primary Care Network for Sentinel Surveillance data.

Background: Chlamydia is the most commonly notified sexually transmitted infection (STI) in Australia. Incidence studies of chlamydia in men who have sex with men (MSM) are rare and offer important public health information.

Objective: To determine chlamydia incidence in MSM presenting at high caseload clinics and describe predictors of infection.

Trends in detectable viral load by calendar year in the Australian HIV observational database.

Background: Recent papers have suggested that expanded combination antiretroviral treatment (cART) through lower viral load may be a strategy to reduce HIV transmission at a population level. We assessed calendar trends in detectable viral load in patients recruited to the Australian HIV Observational Database who were receiving cART.

Methods: Patients were included in analyses if they had started cART (defined as three or more antiretrovirals) and had at least one viral load assessment after 1 January 1997.