Australia Reports First Diphtheria Fatality in a Decade Amid Severe National Outbreak
Australia is currently confronting its most severe diphtheria outbreak since 1991, a crisis tragically punctuated by the nation’s first death from the highly contagious bacterial infection in almost ten years, BBC reports.
Authorities confirmed on Tuesday that autopsy results from an international laboratory identified diphtheria as the cause of death for a man who passed away at Royal Darwin Hospital in April.
This fatality is the first of its kind recorded in the country since 2018. Across Australia, 245 infections have been logged this year alone, predominantly impacting remote Indigenous communities.
The Northern Territory (NT) officially declared an outbreak in March. The disease has since been detected in Western Australia, South Australia and Queensland. Infection rates initially began climbing in late 2025 before surging dramatically in February of this year.
Government response and vaccination drive
In response to the escalating crisis, the government has intensified immunisation campaigns across high-risk zones. Health officials reported on Tuesday that these efforts are proving effective, with the number of new cases now beginning to decline.
Steve Edgington, the NT Health Minister, stated that the government is treating the situation with the utmost seriousness and is working diligently to contain the spread. He confirmed that more than 10,400 vaccinations have been administered since March 30.
To bolster these efforts and raise awareness, health officials have established pop-up clinics in Darwin, Katherine and Alice Springs. Authorities are urgently pleading with residents in affected areas to ensure their vaccinations are up to date, placing a specific emphasis on teenagers and adults who may be overdue for their booster jabs.
A breakdown of the outbreak
The Northern Territory accounts for roughly 60% of current cases, while Western Australia makes up approximately 36%. Between January of last year and May of this year, the NT reported 163 cases. This figure includes 115 cutaneous infections and 48 respiratory ones.
The situation in Western Australia has also raised alarms. In March, health officials there confirmed two cases of respiratory diphtheria, marking the first time the state had recorded that specific strain in over half a century.
Diphtheria presents in two primary forms, both of which are entirely preventable via a standard childhood vaccine schedule and subsequent boosters:
Respiratory diphtheria: Often begins with a fever, chills and a severe sore throat. It can rapidly lead to life-threatening breathing and swallowing difficulties.
Cutaneous diphtheria: Spread primarily through skin contact, this variant causes slow-healing infected sores or ulcers on exposed parts of the body, though it rarely leads to severe systemic illness.
Reflecting the severity of the situation, Professor Michael Kidd, Australia’s Chief Medical Officer, recently designated the outbreak a communicable disease incident of national significance. Following this declaration, the federal government announced a AU$7.2 mln support package designed to funnel vital resources and vaccines directly into the hardest-hit regions.
