Alphacoronaviruses in New World Bats: Prevalence and Interaction with Humans
Author Information
Author(s): Christina Osborne, Paul M. Cryan, Thomas J. O'Shea, Lauren M. Oko, Christina Ndaluka, Charles H. Calisher, Andrew D. Berglund, Mead L. Klavetter, Richard A. Bowen, Kathryn V. Holmes, Samuel R. Dominguez
Primary Institution: University of Colorado School of Medicine
Hypothesis
What is the prevalence of alphacoronaviruses in New World bats and their potential for interaction with humans?
Conclusion
The study found that alphacoronavirus RNA was detected in 7.2% of the bat samples, with significant prevalence in big brown bats, indicating potential for cross-species transmission to humans.
Supporting Evidence
- CoV RNA was detected in 75 out of 1,044 bat samples.
- Big brown bats showed a 12% prevalence of CoV RNA.
- Juvenile bats were twice as likely to test positive for CoV RNA compared to adults.
- CoV RNA was found in all five urban maternity roosts sampled.
- Significant potential exists for cross-species transmission of CoVs to humans.
Takeaway
Scientists studied bats in Colorado and found that some of them carry a virus that could potentially spread to humans, especially in areas where bats live close to people.
Methodology
Bats were captured and sampled for feces and anal swabs across various locations in Colorado over three years, and CoV RNA was detected using PCR methods.
Potential Biases
Potential biases include the selection of sampling sites and the focus on specific bat species that may not represent the entire bat population.
Limitations
The study may underestimate the prevalence of CoVs due to sampling biases and the limited number of bat species tested.
Participant Demographics
The study included 1,044 insectivorous bats from 2 families and 17 species, primarily adult females from maternity roosts.
Statistical Information
P-Value
0.008
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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