Atomo Diagnostics has invented quick, cheap and accurate tests for HIV, malaria and Ebola.
Global Health Investment Fund purchased an 8.4% stake in the medical company for about A$3.3m (£1.9m, $2.5m).
The fund, a joint venture between the Gates Foundation and JPMorgan, finances initiatives that benefit global health.
The US fund focuses on infectious diseases that include malaria, pre-eclampsia, cholera and river blindness.
Atomo’s valuation after the latest round of investment is around A$30m.
