Murine Typhus and Febrile Illness in Nepal
Author Information
Author(s): Mark D. Zimmerman, David R. Murdoch, Patrick J. Rozmajzl, Buddha Basnyat, Christopher W. Woods, Allen L. Richards, Ram Hari Belbase, David A. Hammer, Trevor P. Anderson, L. Barth Reller
Primary Institution: Patan Hospital, Kathmandu, Nepal
Hypothesis
Can clinical features help distinguish murine typhus from enteric fever in febrile adults in Nepal?
Conclusion
Murine typhus was diagnosed in 7% of febrile adults in Kathmandu, indicating it is an important endemic infection.
Supporting Evidence
- 7% of febrile adults tested positive for murine typhus.
- Murine typhus was more common in winter than in summer.
- None of the patients with murine typhus had positive blood cultures.
Takeaway
This study found that some people in Nepal get sick from a disease called murine typhus, especially in the winter, and it's hard to tell apart from another illness called enteric fever.
Methodology
The study tested blood samples from febrile adults using PCR to diagnose murine typhus and compared them with patients diagnosed with enteric fever.
Limitations
The study may underestimate the actual extent of rickettsial disease due to small blood sample volumes and potential sample deterioration.
Participant Demographics
The study included 756 adults with febrile illness, predominantly women (64%) and residents of Kathmandu (86%).
Statistical Information
P-Value
0.0001
Confidence Interval
95% CI 1.00–1.16
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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