Wet Weather Brings Japanese Encephalitis to Australia

Southern Australia has recorded its first-ever cases of the disease in an outbreak that has so far killed three people.

Written byShawna Williams
| 2 min read
close-up photo of mosquito on green background
Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

Severe floods that hit parts of eastern Australia earlier this year sowed death and millions of dollars of destruction. The heavy rainfall events also appear to have ushered in another unwanted effect: Japanese encephalitis. Normally confined to the tropics, the viral disease has now turned up in parts of Australia that have never experienced it before. So far the outbreak has affected at least 34 people and caused three deaths, The Washington Post reports.

“With accelerating climate change, we’re going to be in a world of hurt,” Tim Inglis, the head of pathology and laboratory medicine at the University of Western Australia, tells the newspaper, “with some of these diseases that have in the past been restricted in the tropics extending, as we’re beginning to see.”

February and March saw record flooding along Australia’s northeastern coast, bringing standing water that Culex mosquitoes, which carry the Japanese encephalitis virus, need to ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Shawna was an editor at The Scientist from 2017 through 2022. She holds a bachelor’s degree in biochemistry from Colorado College and a graduate certificate in science communication from the University of California, Santa Cruz. Previously, she worked as a freelance editor and writer, and in the communications offices of several academic research institutions. As news director, Shawna assigned and edited news, opinion, and in-depth feature articles for the website on all aspects of the life sciences. She is based in central Washington State, and is a member of the Northwest Science Writers Association and the National Association of Science Writers.

    View Full Profile
Share
Image of a woman with her hands across her stomach. She has a look of discomfort on her face. There is a blown up image of her stomach next to her and it has colorful butterflies and gut bacteria all swarming within the gut.
November 2025, Issue 1

Why Do We Feel Butterflies in the Stomach?

These fluttering sensations are the brain’s reaction to certain emotions, which can be amplified or soothed by the gut’s own “bugs".

View this Issue
Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

Pacific Biosciences logo
Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Conceptual cartoon image of gene editing technology

Exploring the State of the Art in Gene Editing Techniques

Bio-Rad
Conceptual image of a doctor holding a brain puzzle, representing Alzheimer's disease diagnosis.

Simplifying Early Alzheimer’s Disease Diagnosis with Blood Testing

fujirebio logo

Products

Labvantage Logo

LabVantage Solutions Awarded $22.3 Million U.S Customs and Border Protection Contract to Deliver Next-Generation Forensic LIMS

The Scientist Placeholder Image

Evosep Unveils Open Innovation Initiative to Expand Standardization in Proteomics

OGT logo

OGT expands MRD detection capabilities with new SureSeq Myeloid MRD Plus NGS Panel