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Related Experiment Video

Updated: Nov 20, 2025

Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture
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Bats, Pathogens, and Species Richness.

Frédéric Dutheil1,2,3, Maëlys Clinchamps2, Jean-Baptiste Bouillon-Minois4

  • 1CNRS, LaPSCo, Physiological and Psychosocial Stress, Université Clermont Auvergne, 63000 Clermont-Ferrand, France.

Pathogens (Basel, Switzerland)
|January 26, 2021
PubMed
Summary

Bats host numerous viruses, but human transmission risk is not definitively higher than other species. Recent studies suggest viral zoonotic risk is similar across mammals and birds, challenging the notion of bats as uniquely dangerous reservoirs.

Keywords:
batpandemiczoonoses

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Area of Science:

  • Virology
  • Zoonotic Diseases
  • Mammalogy

Background:

  • Bats host a significant proportion of mammalian species diversity.
  • Bats' ecological and social behaviors are often cited as factors increasing zoonotic disease risk.
  • Previous assumptions suggested bats carry a disproportionately high number of viruses transmissible to humans.

Purpose of the Study:

  • To evaluate the hypothesis that bats carry a higher number of zoonotic pathogens compared to other species.
  • To assess the viral zoonotic risk associated with bats in proportion to their species richness.
  • To compare viral zoonotic risk across different mammalian and avian reservoir hosts.

Main Methods:

  • Comparative analysis of pathogen carriage across diverse species.
  • Normalization of zoonotic pathogen data by species richness.
  • Examination of viral zoonotic risk across taxonomic orders.

Main Results:

  • Proportionally, bats do not carry a higher number of zoonotic pathogens when normalized by species richness.
  • Viral zoonotic risk appears homogenous among various mammalian and avian reservoir hosts.
  • No conclusive evidence indicates bats carry more viruses that infect humans than other species.

Conclusions:

  • The unique characteristics of bats do not necessarily translate to a higher risk of zoonotic viral transmission to humans.
  • Viral zoonotic risk is broadly distributed across mammalian and avian species.
  • Further research should focus on the specific viral dynamics within different host species rather than singling out bats.