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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]
Deer tick 3D rendering of a male and female deer tick. Ixodes scapularis is the main vector of Lyme disease in North America. [14] The CDC reported over 30,000 new cases of the disease in 2016 alone, the majority of which were contracted in the summer months, which is when ticks are most likely to bite humans. [15]
Powassan encephalitis, caused by the Powassan virus (POWV), a flavivirus also known as the deer tick virus, is a form of arbovirus infection that results from tick bites.It can occur as a co-infection with Lyme disease, as both are transmitted to humans by the same species of tick. [1]
Treatment for Lyme disease varies depending on the case and symptoms, ... Loafman notes that deer ticks are tiny, “so the skin inspection must be thorough and close,” he says. The insects like ...
Powassan Virus (POWV) is the only tick-borne flavivirus endemic in North America. [2] POWV human illnesses have been reported in the United States, Canada and Russia. [2] POWV has different genetic variations including deer tick virus (DTV) which is transmitted by the black-legged tick (aka deer tick), Ixodes scapularis. [27]
Tick-borne illnesses—two of the best-known in humans are Lyme disease or Rocky Mountain Spotted Fever—isn ... The deer tick that transmits Lyme disease must feed for more than 36 hours before ...
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).
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 ...