babesiosis


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Related to babesiosis: ehrlichiosis, leishmaniasis, Q fever

babesiosis

(bəbē'bēō`sĭs), tick-borne disease caused by a protozoanprotozoan
, informal term for the unicellular heterotrophs of the kingdom Protista. Protozoans comprise a large, diverse assortment of microscopic or near-microscopic organisms that live as single cells or in simple colonies and that show no differentiation into tissues.
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 of the genus Babesia. Babesiosis most commonly affects domestic and wild animals and can be a serious problem in cattle, but since the mid-20th cent. the disease has also been found in humans. In most cases the protozoal species is specific to a single host. The organisms enter the blood via a tick bite, then infect the red blood cells where they reproduce by cell division.

Human babesiosis, sometimes called Nantucket fever, was first diagnosed in healthy individuals after an outbreak on Nantucket Island, off the coast of Massachusetts, in the 1970s. The causative organisms are related to those that causes malariamalaria,
infectious parasitic disease that can be either acute or chronic and is frequently recurrent. Malaria is common in Africa, Central and South America, the Mediterranean countries, Asia, and many of the Pacific islands.
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, and are transmitted by the black-legged, or deer, ticks that also host the organisms that cause Lyme diseaseLyme disease
or Lyme borreliosis,
a nonfatal bacterial infection that causes symptoms ranging from fever and headache to a painful swelling of the joints. The first American case of Lyme's characteristic rash was documented in 1970 and the disease was first identified
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 and human erhlichiosisehrlichiosis
, any of several diseases caused by rickettsia of the genera Ehrlichia and Anaplasma. Ehrlichiosis is transmitted by ticks. Both human forms tend to develop about nine days after a tick bite.
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. Babesiosis can also be transmitted through blood transfusion. The main symptoms are fever and chills, but especially in the elderly and in persons who have a compromised immune system or have had a splenectomy babesiosis can be more severe and sometimes fatal. Treatment is with a combination of antimalarial drugs.

References in periodicals archive ?
Babesiosis is caused by Babesia parasites that are transmitted by Ixodes scapularis ticks, called blacklegged or deer ticks.
Babesiosis is a disease caused by "microscopic parasites that infect red blood cells and are spread by certain ticks.
Most human cases of babesiosis result from tick bites that occur during the spring and summer months, but blood transfusion-related transmission and perinatal transmission have also been reported (1-3,5).
La babesiosis bovina es una enfermedad hemoparasitaria causada por Babesia bovis o Babesia bigemina, las cuales son parasitos del Filo Apicomplexa; Clase Aconoidasida; Orden Piroplasmida; Familia Babesiidae; Genero Babesia [26].
Northeast: deer or black-legged ticks (Ixodes scapularis) can spread Lyme disease to dogs and humans; babesiosis to humans and anaplasmosis to dogs and humans.
The downstream effect on humans is to increase the risk of babesiosis for those who live in regions where both B.
A A number of common infections can affect the brain, including Lyme disease (derived from an infected tick bite), encephalitis, meningitis, abcesses in the brain or spinal column, West Nile fever, and babesiosis.
I fear it is only a matter of time before we see more illness like the outbreak of Babesiosis that occurred recently in Essex.
Among the topics are the interaction of the host immune system with arthropod and arthropod-borne infectious agents, babesiosis and cytauxzoonosis, haemoplasmosis, ehrlichiosis and anaplasmosis, and rickettsial infections.
The spiral-shaped bacterium that causes Lyme disease is perhaps the best known microbe transmitted by ticks; however, ticks also transmit infectious agents that cause human babesiosis, anaplasmosis, encephalitis, and other diseases.
Babesiosis, which is due to a parasite, and southern tick-associated rash illness (STARI), whose causative agent is yet to be determined, are two additional tick-related diagnoses.
Rarely, a condition called babesiosis may develop from other pathogens carried by ticks.