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Previously owned by the Australian government, Medibank is the largest health insurer in Australia. Its two brands, Medibank Private and Ahm, cover around 4 million people. Medibank and Australia's fourth-largest health fund, NIB Holdings, are the only listed health insurers. In addition to private health insurance, the firm provides life, pet, and travel insurance, as well as health insurance for overseas students and temporary overseas workers. The Medibank Health division provides healthcare services to businesses, governments, and communities across Australia and New Zealand.