New Strain of Scrub Typhus Identified in Australia
Author Information
Author(s): Dimitri M. Odorico, Stephen R. Graves, Bart Currie, Julian Catmull, Zoltan Nack, Sharon Ellis, Ling Wang, David J. Miller
Primary Institution: James Cook University
Hypothesis
The study aims to identify and characterize a new strain of Orientia tsutsugamushi responsible for scrub typhus in Australia.
Conclusion
A new strain of scrub typhus, designated Litchfield, was identified from a patient in Northern Territory, differing significantly from known strains.
Supporting Evidence
- The new strain was isolated from a patient with scrub typhus.
- Serologic tests confirmed the diagnosis of scrub typhus.
- The strain showed significant genetic differences from known strains.
- Previous isolates of O. tsutsugamushi have been made from Queensland.
Takeaway
Doctors found a new type of germ that causes scrub typhus in Australia, which is different from the ones they knew before.
Methodology
The study involved serologic tests, mouse inoculation, PCR for DNA detection, and 16S rDNA sequencing.
Limitations
The study is based on a single case, limiting broader conclusions about the strain's prevalence.
Participant Demographics
The patient was a 38-year-old male construction worker.
Want to read the original?
Access the complete publication on the publisher's website