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Full-Text Articles in Biology

Ticks, Ixodes Scapularis, Feed Repeatedly On White-Footed Mice Despite Strong Inflammatory Response: An Expanding Paradigm For Understanding Tick-Host Interactions, Jennifer M. Anderson, Ian N. Moore, Bianca M. Nagata, José M.C. Ribeiro, Jesus G. Valenzuela, Daniel E. Sonenshine Dec 2017

Ticks, Ixodes Scapularis, Feed Repeatedly On White-Footed Mice Despite Strong Inflammatory Response: An Expanding Paradigm For Understanding Tick-Host Interactions, Jennifer M. Anderson, Ian N. Moore, Bianca M. Nagata, José M.C. Ribeiro, Jesus G. Valenzuela, Daniel E. Sonenshine

Biological Sciences Faculty Publications

Ticks transmit infectious agents including bacteria, viruses and protozoa. However, their transmission may be compromised by host resistance to repeated tick feeding. Increasing host resistance to repeated tick bites is well known in laboratory animals, including intense inflammation at the bite sites. However, it is not known whether this also occurs in wild rodents such as white-footed mice, Peromyscus leucopus, and other wildlife, or if it occurs at all. According to the "host immune incompetence" hypothesis, if these mice do not have a strong inflammatory response, they would not reject repeated tick bites by Ixodes scapularis. To test …


Defining The Risk Of Zika And Chikungunya Virus Transmission In Human Population Centers Of The Eastern United States, Carrie A. Manore, Richard S. Ostfeld, Folashade B. Agusto, Holly Gaff, Shannon L. Ladeau Jan 2017

Defining The Risk Of Zika And Chikungunya Virus Transmission In Human Population Centers Of The Eastern United States, Carrie A. Manore, Richard S. Ostfeld, Folashade B. Agusto, Holly Gaff, Shannon L. Ladeau

Biological Sciences Faculty Publications

The recent spread of mosquito-transmitted viruses and associated disease to the Americas motivates a new, data-driven evaluation of risk in temperate population centers. Temperate regions are generally expected to pose low risk for significant mosquito-borne disease; however, the spread of the Asian tiger mosquito (Aedes albopictus) across densely populated urban areas has established a new landscape of risk. We use a model informed by field data to assess the conditions likely to facilitate local transmission of chikungunya and Zika viruses from an infected traveler to Ae. albopictus and then to other humans in USA cities with variable human …