HIV Testing Gaps Are Letting Australia Down, Study Warns

Australia has set itself a firm goal: eliminate HIV transmission by 2030. But HIV testing gaps keep leaving people undiagnosed until it is too late for the early treatment that works best, according to new research from La Trobe University.

The study, called Newly Positive, was run between 2023 and 2026 by the university's Australian Research Centre in Sex, Health and Society, with support from the National Association of People with HIV Australia. Researchers interviewed 51 people who had been diagnosed with HIV in the previous year, along with 15 doctors who provide HIV care. Their finding was direct. Many participants had already passed through the health system before their diagnosis, and the test was never offered or the warning signs were missed.

Nearly 40 percent of new HIV diagnoses in Australia are classified as late, the researchers noted. That matters because a late diagnosis means a weaker immune system, more complications, and a higher chance of unknowingly passing the virus on before treatment begins.

The people getting missed

The HIV testing gaps are not random. Women and heterosexual men had much lower awareness of HIV and far less experience with routine testing, the study found. Some women said they were already getting regular sexual health screenings that simply never included an HIV test.

Other participants described going to a doctor with symptoms consistent with early HIV infection, known as seroconversion illness, and leaving without a diagnosis. The chance to catch the infection early was there, and it slipped past.

Temporary residents and recently arrived migrants made up a substantial share of those interviewed, and they faced a different set of barriers. They often did not know where to get tested, assumed services would cost money they could not spare, or worried that a positive result could affect their visa. These fears kept them out of clinics, even though Australia offers confidential sexual health services.

"Australia's HIV treatment system is working exceptionally well once people are diagnosed, but this research shows too many people are still falling through the cracks before they reach care," lead researcher Dean Murphy said, according to La Trobe University.

What has to change

One detail makes the HIV testing gaps especially frustrating. Most participants could identify a likely exposure event that led to their infection, so many of them knew there had been a risk. The problem was not that they were unaware anything had happened. It was that nothing in the system turned that knowledge into a timely test.

Once people were finally diagnosed, the picture changed fast. Most participants were linked to care quickly and started antiretroviral therapy within days or weeks, and nearly all were still in treatment and retained in care when interviewed. A Commonwealth program that provides treatment to people without Medicare was seen as a major step forward by both patients and physicians, the report found.

The real fix, researchers say, is closing the HIV testing gaps upstream. HIV testing needs to become a routine part of sexual health screening for everyone, not only the groups clinicians assume are at risk. Doctors also need training to recognize the early symptoms of infection. And outreach to migrant communities has to make one point unmistakable: testing is free, confidential, and available whatever your visa status.

Australia has already driven HIV notifications down substantially over the past decade, but that progress has slowed in recent years. If the elimination goal is going to survive, the country has to find the people it is currently missing, which means narrowing the HIV testing gaps in the exact places this study flags.

The science of stopping HIV is settled. Find the infection early, start treatment, and the virus cannot be passed on. That sequence only works when the first step happens, and right now the testing step is where Australia keeps losing people.

Read more at the La Trobe University report on the Newly Positive study, and see MedicalXpress coverage of the findings.