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https://www.readbyqxmd.com/read/29772759/human-babesiosis-caused-by-babesia-duncani-has-widespread-distribution-across-canada
#1
John D Scott, Catherine M Scott
Human babesiosis caused by Babesia duncani is an emerging infectious disease in Canada. This malaria-like illness is brought about by a protozoan parasite infecting red blood cells. Currently, controversy surrounds which tick species are vectors of B. duncani. Since the availability of a serological or molecular test in Canada for B. duncani has been limited, we conducted a seven-year surveillance study (2011⁻2017) to ascertain the occurrence and geographic distribution of B. duncani infection country-wide...
May 17, 2018: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29771344/prevalence-of-rickettsia-species-rickettsiales-rickettsiaceae-in-dermacentor-variabilis-ticks-acari-ixodidae-in-north-carolina
#2
Madhavi L Kakumanu, Loganathan Ponnusamy, Haley Sutton, Steven R Meshnick, William L Nicholson, Charles S Apperson
The American dog tick, Dermacentor variabilis (Say), is a vector of spotted fever group (SFG) rickettsiae, including Rickettsia rickettsii the causative organism of Rocky Mountain spotted fever (RMSF). In North Carolina, SFG rickettsioses (including RMSF) are a leading cause of tick-borne illness. Knowledge of the infection rate and geographic distribution of D. variabilis ticks infected with Rickettsia spp. provides information on the spatial distribution of public health risk. Accordingly, we extracted genomic DNA from adult D...
May 16, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29752143/evaluation-of-the-vector-competence-of-six-ixodid-tick-species-for-rangelia-vitalii-apicomplexa-piroplasmorida-the-agent-of-canine-rangeliosis
#3
João F Soares, Francisco B Costa, Aline Girotto-Soares, Aleksandro S Da Silva, Raqueli T França, Sueli A Taniwaki, Bruno Dall'Agnol, José Reck, Mitika K Hagiwara, Marcelo B Labruna
Rangelia vitalii is the etiologic agent of canine rangeliosis, a severe piroplasmosis that affects domestic dogs in Brazil, Uruguay and Argentina. While R. vitalii is one of the most pathogenic tick-borne pathogens for dogs in the world, its tick vector has remained unknown. The present study evaluated the vector competence of Rhipicephalus sanguineus sensu lato (both tropical and temperate species), Amblyomma aureolatum, Amblyomma ovale, Amblyomma tigrinum, and Amblyomma sculptum for R. vitalii. These six tick species were selected for the study because they comprise the main tick species infesting dogs within the distribution area of canine rangeliosis in South America...
May 4, 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29724249/crimean-congo-hemorrhagic-fever-with-hepatic-impairment-and-vaginal-hemorrhage-a-case-report
#4
Ermira Muco, Najada Como, Siva Bino, Arjan Harxhi, Pellumb Pipero, Majlinda Kota, Jonida Mehmeti, Arta Kushi, Dhimiter Kraja
BACKGROUND: Crimean-Congo hemorrhagic fever is a tick-borne disease described in more than 30 countries in Europe, Asia, and Africa. Albania is located in the southwestern part of the Balkan Peninsula. In 1986, the first case of Crimean-Congo hemorrhagic fever was registered, and cases of patients with hemorrhagic fever are rising, and most of them present in a serious condition, when the mortality rate is very high. In districts like Mirdite, Lezhe, Gjirokaster, Skrapar, Erseke, and Kukes, there is delineated human-to-human transmission...
May 4, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29701628/seroprevalence-survey-of-arboviruses-in-workers-from-tuscany-italy
#5
Maria Elena Remoli, Cristiano Fiorentini, Antonella Marchi, Simona Di Renzi, Nicoletta Vonesch, Maria Vittoria Peri, Lucia Bastianini, Silvia Rossi, Giulia Bartoccini, Maya Lissa Kuttappasery, Maria Grazia Ciufolini, Paola Tomao
BACKGROUND: Arthropod-borne viruses (Arbovirus) play an important role among emerging and re-emerging infectious diseases and in the spreading of infections in new geographic areas. Although some arboviral infections may be asymptomatic or mild flu-like illnesses, many occur as severe forms of meningitis and meningoencephalitis. OBJECTIVES: To assess whether arboviral infections may be associated with occupational risk, in a population of agricultural and forestry workers potentially at high risk for arthropods bite and sting...
January 30, 2018: La Medicina del Lavoro
https://www.readbyqxmd.com/read/29657007/update-on-flea-and-tick-associated-diseases-of-cats
#6
Michael R Lappin
There are multiple vector-borne diseases in cats, the most prominent being those transmitted by mosquitos, sand flies, fleas, and ticks. Many of the agents vectored by fleas or ticks have been grown or amplified from blood or have induced antibodies in the serum of normal cats or those with clinical signs like fever and will be the focus of this manuscript. As high as 80% of fleas collected from cats contain at least one organism that could induce illness in cats or people. Anaplasma phagocytophilum, Bartonella spp...
April 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29626656/equine-granulocytic-anaplasmosis-28-years-later
#7
REVIEW
Sehrish Saleem, Muhammad Ijaz, Shahid Hussain Farooqi, Awais Ghaffar, Ahmad Ali, Kashif Iqbal, Khalid Mehmood, Hui Zhang
Equine granulocytic anaplasmosis (EGA) is an important tick borne disease of equines that is caused by Anaplasma phagocytophilum (A. phagocytophilum). The etiological agent has veterinary as well as public health importance because of its zoonotic nature. A. phagocytophilum causes an acute illness in equines with loss of appetite, lethargy, hemorrhages and lameness. Clinically, EGA is diagnosed upon examination of morulae within neutrophils especially granulocytes in the blood. The best diagnostic tool for the detection of EGA is Polymerase chain reaction (PCR)...
April 4, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29623212/first-report-of-lyme-disease-in-nepal
#8
Sher Bahadur Pun, Sumit Agrawal, Santoshananda Jha, Lila Nath Bhandari, Bimal Sharma Chalise, Abadhesh Mishra, Rajesh Shah
Introduction: Lyme disease is a tick-borne illness caused by the spirochete Borrelia burgdorferi and is widely reported in the USA, Central Europe, South East Asia and Latin America. Until recently, no scientific report regarding Lyme disease in Nepal had been published. Case presentation: A 32-year-old, previously healthy female visited the hospital with a history of joint pains, fatigue, neck stiffness, tingling sensation and headache. She was initially treated for typhoid fever, brucellosis and malaria, but did not show significant improvement...
March 2018: JMM Case Reports
https://www.readbyqxmd.com/read/29567936/splenic-rupture-as-the-first-manifestation-of-babesia-microti-infection-report-of-a-case-and-review-of-literature
#9
Igor Dumic, Janki Patel, Melissa Hart, Eric R Niendorf, Scott Martin, Poornima Ramanan
BACKGROUND Babesiosis is an emerging, tick-borne zoonosis caused by intraerythrocytic protozoa of the genus Babesia. Babesia microti is the main pathogen causing human disease and is endemic in the northeastern and upper midwestern parts of the USA. Severity of infection ranges from mild, self-limited, febrile viral-like illness accompanied by nonspecific symptoms to life-threatening infection complicated by severe hemolytic anemia, disseminated intravascular coagulation (DIC), acute respiratory distress syndrome (ARDS), and renal or/and hepatic failure...
March 23, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29549965/tick-borne-illness-rocky-mountain-spotted-fever
#10
REVIEW
Robin B McFee
No abstract text is available yet for this article.
May 2018: Disease-a-month: DM
https://www.readbyqxmd.com/read/29525371/tick-vectors-and-tick-borne-illnesses-overview
#11
REVIEW
Robin B McFee
No abstract text is available yet for this article.
May 2018: Disease-a-month: DM
https://www.readbyqxmd.com/read/29503011/tick-borne-illness-anaplasmosis
#12
REVIEW
Robin B McFee
No abstract text is available yet for this article.
May 2018: Disease-a-month: DM
https://www.readbyqxmd.com/read/29477959/molecular-surveillance-of-novel-tick-borne-organisms-in-madagascar-s-lemurs
#13
Barbara A Qurollo, Peter A Larsen, Hajanirina H Rakotondrainibe, Karine Mahefarisoa, Tsiky Rajaonarivelo, Josia Razafindramanana, Edward B Breitschwerdt, Randall E Junge, Cathy V Williams
The discovery and characterization of emerging tick-borne organisms are critical for global health initiatives to improve animal and human welfare (One Health). It is possible that unknown tick-borne organisms underlie a subset of undiagnosed illness in wildlife, domesticated species, and humans. Our study lends support to the One Health concept by highlighting the prevalence of three blood-borne organisms in wild lemurs living in close proximity to domesticated species and humans. Previously, our team identified three novel, presumably tick-borne, intravascular organisms, belonging to the genera Babesia, Borrelia, and Neoehrlichia, circulating in two of Madagascar's lemur species...
March 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29473735/the-use-of-ex-vivo-organ-cultures-in-tick-borne-virus-research
#14
Jeffrey M Grabowski, Danielle K Offerdahl, Marshall E Bloom
Each year there are more than 15 000 cases of human disease caused by infections with tick-borne viruses (TBVs). These illnesses occur worldwide and can range from very mild illness to severe encephalitis and hemorrhagic fever. Although TBVs are currently identified as neglected vector-borne pathogens and receive less attention than mosquito-borne viruses, TBVs are expanding into new regions, and infection rates are increasing. Furthermore, effective vaccines, diagnostic tools, and other countermeasures are limited...
March 9, 2018: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29428565/steroid-pulse-therapy-in-patients-with-encephalopathy-associated-with-severe-fever-with-thrombocytopenia-syndrome
#15
Shingen Nakamura, Momoyo Azuma, Tomoko Maruhashi, Kimiko Sogabe, Ryohei Sumitani, Munenori Uemura, Masami Iwasa, Shiro Fujii, Hirokazu Miki, Kumiko Kagawa, Takashi Hiraga, Noriyasu Kondo, Hiromi Fujita, Fumihiko Mahara, Masahiro Abe
Severe fever with thrombocytopenia syndrome (SFTS) is a tick-borne infectious disease caused by the SFTS virus (SFTSV). Clinical symptoms of SFTS often involve encephalopathy and other central neurological symptoms, particularly in seriously ill patients; however, pathogenesis of encephalopathy by SFTSV is largely unknown. Herein, we present case reports of three patients with SFTS, complicated by encephalopathy, admitted to Tokushima University hospital: one patient was a 63-year-old man, while the other two were 83- and 86-year-old women...
May 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29402399/tick-borne-illness-lyme-disease
#16
REVIEW
Larry M Bush, Maria T Vazquez-Pertejo
Lyme disease is the most commonly reported tick-borneillness in the United States. Thecausative spirochete, Borrelia burgdorferi is transmitted by 4 species of Ixodes tick species. Over 90% of US cases occur in northeasternstates from Maine to Virginia, and in Wisconsin, Minnesota, and Michigan. Infection also takes place in northern California and Oregon. Lyme borreliosis is also diagnosed in parts of Europe, China, and Japan. The white-footed mouse is the primary animal reservoir for B. burgdorferi in the U...
February 2, 2018: Disease-a-month: DM
https://www.readbyqxmd.com/read/29398603/pathogen-transmission-in-relation-to-duration-of-attachment-by-ixodes-scapularis-ticks
#17
REVIEW
Lars Eisen
The blacklegged tick, Ixodes scapularis, is the primary vector to humans in the eastern United States of the deer tick virus lineage of Powassan virus (Powassan virus disease); the protozoan parasite Babesia microti (babesiosis); and multiple bacterial disease agents including Anaplasma phagocytophilum (anaplasmosis), Borrelia burgdorferi and Borrelia mayonii (Lyme disease), Borrelia miyamotoi (relapsing fever-like illness, named Borrelia miyamotoi disease), and Ehrlichia muris eauclairensis (a minor causative agent of ehrlichiosis)...
March 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29394381/case-report-of-the-patient-source-of-the-babesia-microti-r1-reference-strain-and-implications-for-travelers
#18
Philipp Stahl, Yves Poinsignon, Pascal Pouedras, Vasilica Ciubotaru, Laurence Berry, Brinda Emu, Peter J Krause, Choukri Ben Mamoun, Emmanuel Cornillot
Background: In 2002, a previously healthy 69-year-old man travelled to France from the United States and presented to our hospital with a febrile illness that subsequently was determined to be babesiosis. The blood isolated from this patient served as a source for propagation of the Babesia microti R1 strain with subsequent sequencing and annotation of the parasite genome. Methods: Upon admission, we obtained a medical history, performed a physical examination, and examined his blood for the presence of a blood borne pathogen by microscopy, PCR and indirect immunofluorescence antibody testing...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29383651/rickettsia-parkeri-infections-diagnosed-by-eschar-biopsy-virginia-usa
#19
Pamela Kelman, Chelsea Wright Thompson, Wayne Hynes, Christian Bergman, Cameron Lenahan, Joel S Brenner, Michelle G Brenner, Benjamin Goodman, Demetria Borges, Michael Filak, Holly Gaff
BACKGROUND: Infection with Rickettsia parkeri is an emerging tick-borne illness, often accompanied by fever and an eschar at the site of tick attachment. We present three cases of R. parkeri in Virginia residents. CASE PRESENTATIONS: Case 1 presented initially afebrile, failed to seroconvert to rickettsial antigens, and was diagnosed by DNA testing of the eschar. Case 2 presented febrile with eschar, no serologies were performed, and was diagnosed by DNA testing of the eschar...
January 31, 2018: Infection
https://www.readbyqxmd.com/read/29373305/first-detection-of-tick-borne-encephalitis-virus-rna-in-clinical-specimens-of-acutely-ill-patients-in-hungary
#20
Anna Nagy, Orsolya Nagy, Katalin Tarcsai, Ágnes Farkas, Mária Takács
Tick-borne encephalitis virus (TBEV) is one of the endemic flaviviruses in Hungary, which is responsible for human infections every year. Neurological involvement in the disease is characterized by meningitis, encephalitis or meningoencephalitis which can result in long-term neurological and neuropsychiatric sequelae. Microbiological diagnosis of acute cases is predominantly based on serological tests due to the limited duration of viremia and long incubation period, however, the application of molecular methods can also supplement the serological diagnosis and provides epidemiological data...
March 2018: Ticks and Tick-borne Diseases
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