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TraX mpox data report: Report period 10 Oct 2022 to 26 Mar 2023

This report summarises data collected during the first six months the TraX Study. Data are collected weekly on MPOX (formerly monkeypox) vaccine uptake, infection, and sexual behaviours among people considered at high risk of infection in Australia.

Key findings
  • 2834 people across Australia participated in the TraX study during the reporting period. Most participants were from New South Wales (83.8%).
  • At study entry, 22.4% of participants reported being unvaccinated against MPOX, 50.0% had received one and 27.6% had received two MPOX vaccinations.
  • As at 26 March 2023, the proportion of people who reported being unvaccinated against MPOX had reduced by half to 9.7%, leaving 275 participants unvaccinated. The proportion who reported having received one MPOX vaccination also fell to 12.2% and the proportion who received both MPOX vaccinations increasing to 78.1%.
  • At study entry, nine participants reported prior MPOX infection.