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Dean E. Biggins

As seen in: PLOS, Eyes on Earth, MDPI, Mary Ann Liebert, Inc.
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Articles by Dean E. Biggins

Prairie dog responses to vector control and vaccination during an initial Yersinia pestis invasion

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By David Eads, Dean E. Biggins, Amanda Goldberg, Shantini Ramakrishnan
| Eyes on Earth
Links More information: Publisher Index Page (via DOI) Download citation as: RIS | Dublin Core Publication type Article Publication Subtype Journal Article Title Prairie dog responses to vector control and vaccination during an initial Yersinia pestis invasion Series title International Journal of Parasitology: Parasites and Wildlife DOI 10.1016/j.ijppaw.2023.12.001 Volume 23 Year Published 2024 Language English Publisher Elsevier Contributing office(s) Fort Collins Science Center, National...
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Ecology and Management of Plague in Diverse Communities of Rodents and Fleas

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By David Eads, Dean E. Biggins, Kenneth L. Gage
| Mary Ann Liebert, Inc.
Introduction Fleas (Siphonaptera) are wingless, hematophagous insect parasites of vertebrates. Fleas exhibit a wide variety of life histories and host associations. Adults of some flea species specialize on a small number of hosts, whereas others feed on a wide range of hosts (generalists). Humans tend to perceive fleas as “bothersome, scabrous, tiny, and parasitical” (Lehane 1969, p. 11).
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Plague cycles in two rodent species from China: Dry years might provide context for epizootics in wet years

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By David Eads, Dean E. Biggins, Lei Xu, Qiyong Liu
| usgs.gov
Plague, a rodent-associated, flea-borne zoonosis, is one of the most notorious diseases in history. Rates of plague transmission can increase when fleas are abundant. Fleas commonly desiccate and die when reared under dry conditions in laboratories, suggesting fleas will be suppressed during droughts in the wild, thus reducing the rate at which plague spreads among hosts. In contrast, fleas might increase in abundance when precipitation is plentiful, producing epizootic outbreaks during wet years.
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Droughts may increase susceptibility of prairie dogs to fleas: Incongruity with hypothesized mechanisms of plague cycles in rodents

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By David Eads, Dustin Long, Dean E. Biggins, Kenneth L. Gage
| usgs.gov
Plague is a reemerging, rodent-associated zoonosis caused by the flea-borne bacterium Yersinia pestis. As a vector-borne disease, rates of plague transmission may increase when fleas are abundant. Fleas are highly susceptible to desiccation under hot-dry conditions; we posited that their densities decline during droughts. We evaluated this hypothesis with black-tailed prairie dogs (Cynomys ludovicianus) in New Mexico, June–August 2010–2012.
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