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If you find a tick, act quick “Knowing how to identify ticks, prevent bites, and recognize the signs of illness is essential for a safe and healthy spring and summer,” Jarrell wrote in a release.
These ticks, commonly known as cattle ticks or blue ticks, have a highly characteristic morphology and one-host lifecycle. They have high specificity for cattle as hosts and their morphological characteristics used for identification are less distinct than those of three-host rhipicephalids such as R. appendiculatus .
The ticks that transmit Lyme disease are hard ticks. [4] Ticks often have a preferred host, but may still attach to a different host when called for. Their preferred host may change depending on the tick's stage of development (eg larval vs adult) and the host may or may not carry the transmittable pathogen. [3]
Ticks are external parasites, living by feeding on the blood of mammals, birds, and sometimes reptiles and amphibians. The timing of the origin of ticks is uncertain, though the oldest known tick fossils are from the Cretaceous period, around 100 million years old. Ticks are widely distributed around the world, especially in warm, humid climates.
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As of 2020 18 tick-borne pathogens have been identified in the United States according to the Centers for Disease Control [10] and at least 27 are known globally. [8] [11] [12] New tick-borne diseases have been discovered in the 21st century, due in part to the use of molecular assays and next-generation sequencing. [13]
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