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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 ...
Ticks and lice form another large group of invertebrate vectors. The bacterium Borrelia burgdorferi, which causes Lyme Disease, is transmitted by ticks and members of the bacterial genus Rickettsia are transmitted by lice. For example, the human body louse transmits the bacterium Rickettsia prowazekii which causes epidemic typhus.
All species that cause Lyme disease are referred to collectively as B. burgdorferi sensu lato, [10] while B. burgdorferi itself is specified as B. burgdorferi sensu stricto. [ 10 ] [ 21 ] B. burgdorferi was previously believed to be the only species to cause Lyme disease in the US, but B. bissettiae and a new species called B. mayonii cause ...
According to data from the Centers for Disease Control and Prevention (CDC), the states with the most reported cases of Lyme disease in 2022 are as follows: New York. Pennsylvania. New Jersey ...
B. burgdorferi is the causative agent of Lyme disease and is why this bacteria is so important and being studied. It is most commonly transmitted from ticks to humans. Humans act as the tick's host for this bacteria. Lyme disease is a zoonotic, vector-borne disease transmitted by the Ixodes tick (also the vector for Babesia and Anaplasma).
However, one or two relapses are common with the disease associated with B. hermsii, which is also the most common cause of relapsing disease in the United States. (Three or four relapses are common with the disease caused by B. recurrentis , which has longer febrile and afebrile intervals and a longer incubation period than B. hermsii ...
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]
Overall climate is more determinate of tick population and daily weather has a subtle effect on the spread of tick-borne disease. Being mindful of daily weather patterns and vigilantly avoiding exposure to ticks reduces human exposure to Lyme disease. [5] Lyme disease number of cases reported by county 2007 Peak summer weather July 2007. Warm ...