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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.
Humans are not the preferred natural host, but the adult ticks, containing the bacterium known to cause Lyme disease, can attach to humans and allow for transmission of the bacterium. [5] Ticks are found around the world, with suggestions that climate change and globalization of travel and commerce may be broadening their scope of residence. [6]
The Ixodidae are the family of hard ticks or scale ticks, [1] one of the three families of ticks, consisting of over 700 species. They are known as 'hard ticks' because they have a scutum or hard shield, which the other major family of ticks, the 'soft ticks' ( Argasidae ), lack.
Ticks have the ability to spread Lyme disease, Powassan virus, Rocky Mountain Spotted Fever and other potentially deadly illnesses. Early detection and removal are key factors in stopping the ...
What they look like: Chiggers, a type of small mite, typically leave clusters of bites. If you have chigger bites, they'll be small, red and likely quite itchy.Chigger bites may also look like ...
Measures of tick bite prevention include staying out of tall grassy areas that ticks tend to live in, treating clothes and gear that a tick could jump on, using EPA approved bug repellent, tick checks for all humans, animals, and gear that potentially came into contact with a tick, and showering soon after being in an area that ticks might also ...
Nymphal ticks primarily feed on small animals and humans during the spring and early summer, while adult ticks are most active during the winter and seek out hosts from late fall to spring. [ 5 ] In order for a human to be infected by the bacterium, the tick carrying it must be attached for approximately 36 to 48 hours.
These ticks have a strict one-host feeding cycle on cattle, so the Babesia can only be transmitted by the transovarial route. In the Americas, Ixodes scapularis is the most common vector. This hard tick, commonly known as a deer tick, is also the vector for other tick-associated illnesses, such as Lyme disease.