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Lyme disease is spread to humans through the bite of infected ticks.The tick population is affected by weather and climate.Many factors determine tick population densities as well as diseased population densities of ticks so that no single factor can determine likelihood of exposure to tick-borne disease. [1]
The occurrence of ticks and tick-borne illnesses in humans is increasing. [7] Tick populations are spreading into new areas, in part due to climate change . [ 8 ] [ 9 ] Tick populations are also affected by changes in the populations of their hosts (e.g. deer, cattle, mice, lizards) and those hosts' predators (e.g. foxes).
Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of Borrelia bacteria, transmitted by blood-feeding ticks in the genus Ixodes. [4] [9] [10] The most common sign of infection is an expanding red rash, known as erythema migrans (EM), which appears at the site of the tick bite about a week afterwards. [1]
Humans keep encroaching on forested land full of both those host animals and ticks. As for the ticks themselves, longer summers and milder winters mean they’re coming out earlier and sticking ...
Summer 2017 has already been declared an especially bad season for ticks due to the mild winter and growing deer and mice populations.. Amid mounting fears over the potentially deadly diseases the ...
About 63,000 cases of Lyme disease were reported to the Centers for Disease Control and Prevention in 2022, according to a report released last month. That’s a nearly 70% jump in the number of ...
Human granulocytic anaplasmosis (HGA) is a tick-borne, infectious disease caused by Anaplasma phagocytophilum, an obligate intracellular bacterium that is typically transmitted to humans by ticks of the Ixodes ricinus species complex, including Ixodes scapularis and Ixodes pacificus in North America.
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