نتایج جستجو برای: tick borne relapsing fever tbrf
تعداد نتایج: 138863 فیلتر نتایج به سال:
In the last decades, several studies have reported pathogenic species of Borrelia related to those that cause Tick-borne Relapsing Fever (RF), but unexpectedly suggesting their transmission by hard ticks, known vectors of Borrelia burgdorferi sensu lato (B. burgdorferi s.l.) species, rather than by soft ticks. This study was designed to update the presence of B. burgdorferi s.l. species in tick...
Cinkovich SS, Lambin EF. Disease risk and landscape attributes of tick-borne Borrelia pathogens in the San Francisco Bay area, California. PLoS ONE. 2015;10:e0134812. http://dx.doi.org/10.1371/ journal.pone.0134812 7. Barbour AG. Phylogeny of a relapsing fever Borrelia species transmitted by the hard tick Ixodes scapularis. Infect Genet Evol. 2014;27:551–8. http://dx.doi.org/10.1016/j.meegid.20...
Borrelia hermsii is the primary cause of tick-borne relapsing fever in North America. When its tick vector, Ornithodoros hermsi, acquires these spirochetes from the blood of an infected mammal, the bacteria switch their outer surface from one of many bloodstream variable major proteins (Vmps) to a unique protein, Vtp (Vsp33). Vtp may be critical for successful tick transmission of B. hermsii; h...
An 8-year-old girl was evaluated for fevers of 39.4°C that developed 10 days after returning from a family camping trip. She complained of diffuse headache, nausea, and occasional emesis. Before her illness, 3 transient erythematous papules resembling insect bites on her abdomen were noted. Sore throat, cough, conjunctivitis, diarrhea, arthralgias, and myalgias were absent. Her symptoms, includ...
Rodents are the most abundant and diversified order of living mammals in world. Since middle ages they known to contribute human diseases, eg. black rats associated with distribution plague. In modern times also rodents form a threat for public health number pathogens directly or indirectly transmitted by rodents. Of 2277 extant rodent species, 217 species reservoirs harboring 66 zoonoses cause...
Introduction: A group of acute infection diseases are called Relapsing fever.‎ Clinically it involves a circular period of fever and lack of fever. Mortality rate can be ‎decreased by controlling and identifying effective factors.‎ Objective: This study aimed to determine effective factors for relapsing fever in clients ‎referring to health centers in Khalkhal in ‎&...
Synanthropic wild mammals can be important hosts for many vector-borne zoonotic pathogens. The aim of this study was determine the exposure of synanthropic mammals to two types of tick-borne pathogens in Panama, spotted fever group Rickettsia (SFGR) and Borrelia relapsing fever (RF) spirochetes. One hundred and thirty-one wild mammals were evaluated, including two gray foxes, two crab-eating fo...
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