Robust evidence for bats as reservoir hosts is lacking in most African virus studies: a review and call to optimize sampling and conserve bats

Natalie Weber, Martina Nagy, Wanda Markotter, Juliane Schaer, Sébastien J. Puechmaille, Jack Sutton, Liliana M. Dávalos, Marie-Claire Dusabe, Imran Ejotre, M. Brock Fenton, Mirjam Knörnschild, Adrià López-Baucells, Rodrigo A. Medellin, Markus Metz, Samira Mubareka, Olivier Nsengimana, M. Teague O'Mara, Paul A. Racey, Merlin Tuttle, Innocent TwizeyimanaAmanda Vicente-Santos, Marco Tschapka, Christian C. Voigt, Martin Wikelski, Dina K. N. Dechmann, DeeAnn M. Reeder

Research output: Contribution to journalReview articlepeer-review

3 Citations (Scopus)
1 Downloads (Pure)

Abstract

Africa experiences frequent emerging disease outbreaks among humans, with bats often proposed as zoonotic pathogen hosts. We comprehensively reviewed virus-bat findings from papers published between 1978 and 2020 to evaluate the evidence that African bats are reservoir and/or bridging hosts for viruses that cause human disease. We present data from 162 papers (of 1322) with original findings on (1) numbers and species of bats sampled across bat families and the continent, (2) how bats were selected for study inclusion, (3) if bats were terminally sampled, (4) what types of ecological data, if any, were recorded and (5) which viruses were detected and with what methodology. We propose a scheme for evaluating presumed virus-host relationships by evidence type and quality, using the contrasting available evidence for Orthoebolavirus versus Orthomarburgvirus as an example. We review the wording in abstracts and discussions of all 162 papers, identifying key framing terms, how these refer to findings, and how they might contribute to people's beliefs about bats. We discuss the impact of scientific research communication on public perception and emphasize the need for strategies that minimize human-bat conflict and support bat conservation. Finally, we make recommendations for best practices that will improve virological study metadata.

Original languageEnglish
Article number20230358
Pages (from-to)1-20
Number of pages20
JournalBiology Letters
Volume19
Issue number11
Early online date15 Nov 2023
DOIs
Publication statusPublished - Nov 2023
Externally publishedYes

Bibliographical note

Copyright the Author(s) 2023. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • African Chiroptera
  • virus–host relationship
  • virological metadata
  • framing
  • One Health

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