Australia is confronting its first diphtheria-related fatality in almost a decade, as public health agencies race to contain a growing national outbreak that has already infected more than 160 people across multiple jurisdictions. The death, which occurred in a remote community of Australia’s Northern Territory (NT) within the past few weeks, was confirmed by Dr. John Boffa, a senior public medical officer at the Central Australian Aboriginal Congress, in an interview with the Australian Broadcasting Corporation.
According to data from the Australian Centre for Disease Control, this is the first fatal diphtheria case recorded in the country since 2018. Diphtheria is a highly contagious bacterial infection that can spread rapidly through close human contact, and before widespread vaccination rollouts, it was one of the leading causes of death among Australian children. The disease was largely eliminated across the nation after a national vaccine program launched in the 1940s, thanks to the high efficacy of routine immunization in stopping transmission.
The current outbreak marks the NT’s first widespread resurgence of diphtheria since the 1990s. As of the latest updates, more than 100 confirmed cases of both respiratory and cutaneous diphtheria have been recorded in the territory alone, with a number of patients requiring admission to intensive care units for severe complications. Dr. Boffa emphasized that the vast majority of patients developing serious illness are either fully unvaccinated or have not received their required booster doses, highlighting the critical gap in immunization that has allowed the outbreak to take hold.
Across the entire country, official case counts have reached 161, with additional infections detected in Western Australia, Queensland, and South Australia. Dr. Boffa noted that the existing diphtheria vaccine is well-proven, safe, and highly effective at preventing severe illness and transmission, and it remains the only viable tool to bring the current outbreak under control.
He added that the outbreak is placing extraordinary strain on already overstretched remote primary healthcare clinics in the NT, which are being forced to redirect limited core resources to contain the spread due to a lack of additional surge staffing and emergency funding. “We don’t want to be taking three or four years to get boosters into people’s arms – we need to get it done quickly,” Dr. Boffa said, urging at-risk community members to check their immunization status and get a booster as soon as possible to protect themselves against the potentially fatal disease. Requests for additional comment have been made to NT Health authorities.