Characterisation of the Wildlife Reservoir Community for Human and Animal Trypanosomiasis in the Luangwa Valley, Zambia
2011

Wildlife Reservoirs for Trypanosomiasis in Zambia

Sample size: 418 publication 10 minutes Evidence: moderate

Author Information

Author(s): Anderson Neil E., Mubanga Joseph, Fevre Eric M., Picozzi Kim, Eisler Mark C., Thomas Robert, Welburn Susan C.

Primary Institution: Centre for Infectious Diseases, Division of Pathway Medicine, College of Medicine and Veterinary Medicine, The University of Edinburgh

Hypothesis

What is the nature of the reservoir community for trypanosomiasis in wildlife in the Luangwa Valley, Zambia?

Conclusion

Trypanosoma parasites circulate within a wide and diverse host community in this bio-diverse ecosystem.

Supporting Evidence

  • The overall prevalence of infection in all species was 13.9%.
  • Infection was significantly more likely to be detected in waterbuck, lion, greater kudu, and bushbuck.
  • Human infective T. b. rhodesiense were identified for the first time in African buffalo.
  • Variation in infection rates was demonstrated at species level rather than at family or sub-family level.

Takeaway

This study looked at how certain diseases spread among wild animals in Zambia. It found that many different animals can carry these diseases, which can affect both wildlife and humans.

Methodology

A cross-sectional survey of trypanosome prevalence in wildlife hosts was conducted using molecular diagnostic techniques.

Potential Biases

The sample collection method may have led to an underrepresentation of certain species and demographics.

Limitations

The study relied on convenience sampling, which may introduce bias in the age and sex distribution of the sampled population.

Participant Demographics

Samples were collected from 24 species, primarily adult animals, with a notable underrepresentation of females.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI: 10.71–17.57%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pntd.0001211

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