Sentences with phrase «infected rodent populations»

Additionally, it should be worth pointing out that the extirpation of cats was an important factor in the spread of bubonic plague in Europe, due to the absence of cats as predators upon the plague - infected rodent populations of the continent.

Not exact matches

The bacterium normally thrives in rodent populations, passing from one animal to another via the bites of plague - infected fleas.

Potential impacts of climate change on the transmission of Lyme disease include: 1) changes in the geographic distribution of the disease due to the increase in favorable habitat for ticks to survive off their hosts; 85 2) a lengthened transmission season due to earlier onset of higher temperatures in the spring and later onset of cold and frost; 3) higher tick densities leading to greater risk in areas where the disease is currently observed, due to milder winters and potentially larger rodent host populations; and 4) changes in human behaviors, including increased time outdoors, which may increase the risk of exposure to infected ticks.