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https://www.readbyqxmd.com/read/28540487/importance-of-common-wall-lizards-in-the-transmission-dynamics-of-tick-borne-pathogens-in-the-northern-apennine-mountains-italy
#1
Laura Tomassone, L A Ceballos, C Ragagli, E Martello, R De Sousa, M C Stella, A Mannelli
During the investigations on ticks and tick-borne pathogens (TBP) range expansion in the Northern Apennines, we captured 107 Podarcis muralis lizards. Sixty-eight animals were infested by immature Ixodes ricinus, Haemaphysalis sulcata and H. punctata. Borrelia burgdorferi s.l. was detected in 3.7% of I. ricinus larvae and 8.0% of nymphs. Together with the species-specific B. lusitaniae, we identified B. garinii, B. afzelii and B. valaisiana. Rickettsia spp. (18.1% larvae, 12.0% nymphs), namely R. monacensis, R...
May 24, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28540160/necessity-of-a-surveillance-system-for-tick-borne-encephalitis
#2
COMMENT
Seok-Ju Yoo, Ji-Hyuk Park
No abstract text is available yet for this article.
April 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28539197/candidatus-neoehrlichia-mikurensis-and-borrelia-burgdorferi-sensu-lato-detected-in-the-blood-of-norwegian-patients-with-erythema-migrans
#3
H Quarsten, A Grankvist, L Høyvoll, I B Myre, T Skarpaas, V Kjelland, C Wenneras, S Noraas
The most common tick-borne human disease in Norway is Lyme borreliosis. Ticks in Norway also harbour less known disease-causing agents such as Candidatus Neoehrlichia mikurensis, Borrelia miyamotoi and Rickettsia helvetica. However, human infections caused by these pathogens have never been described in Norway. The main aims of the study were to evaluate the contribution of several tick-borne bacterial agents, other than Borrelia burgdorferi sensu lato, to zoonotic diseases in Norway and to determine their clinical pictures...
May 13, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28532428/practices-of-lyme-disease-diagnosis-and-treatment-by-general-practitioners-in-quebec-2008-2015
#4
Salima Gasmi, Nicholas H Ogden, Patrick A Leighton, Ariane Adam-Poupart, François Milord, L Robbin Lindsay, Sapha Barkati, Karine Thivierge
BACKGROUND: Lyme disease (LD), a multisystem infection caused by the spirochete Borrelia burgdorferi sensu stricto (B. burgdorferi), is the most reported vector-borne disease in North America, and by 2020, 80% of the population in central and eastern Canada could live in LD risk areas. Among the key factors for minimising the impact of LD are the accurate diagnosis and appropriate management of patients bitten by ticks. In this study, the practices of Quebec general practitioners (GPs) on LD diagnosis and management of patients bitten by infected ticks are described...
May 22, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28532427/microrna-275-and-its-target-vitellogenin-2-are-crucial-in-ovary-development-and-blood-digestion-of-haemaphysalis-longicornis
#5
Jiawei Hao, Jin Luo, Ze Chen, Qiaoyun Ren, Jinxia Guo, Xiaocui Liu, Qiuyu Chen, Feng Wu, Zhen Wang, Jianxun Luo, Hong Yin, Hui Wang, Guangyuan Liu
BACKGROUND: The hard tick Haemaphysalis longicornis is widely distributed in eastern Asia, New Zealand and Australia and is considered the major vector of Theileria and Babesia, harmful parasites to humans and animals. Female ticks need successful blood meals to complete the life-cycle. Therefore, elucidation of the underlying molecular mechanisms of H. longicornis development and reproduction is considered important for developing control strategies against the tick and tick-borne pathogens...
May 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28528880/lyme-borreliae-prevalence-and-genospecies-distribution-in-ticks-removed-from-humans
#6
Patrick Waindok, Sabine Schicht, Volker Fingerle, Christina Strube
Lyme borreliosis (LB) is the most important human tick-borne disease, but Borrelia genospecies cause different clinical manifestations. Ticks of the genus Ixodes removed from humans between 2006 and 2012 were analysed for Borrelia burgdorferi sensu lato (sl) infections. The majority of ticks originated from the Greater Hanover region in Northern Germany. The engorgement status varied over the entire spectrum from unengorged (no evidence of started blood feeding) to fully engorged. In the present study, prevalence data for B...
May 13, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28528879/functional-annotation-and-analysis-of-the-ornithodoros-moubata-midgut-genes-differentially-expressed-after-blood-feeding
#7
Ana Oleaga, Prosper Obolo-Mvoulouga, Raúl Manzano-Román, Ricardo Pérez-Sánchez
The argasid tick Ornithodoros moubata is the main vector of the African swine fever and the human relapsing fever in Africa. As part of the host-parasite-pathogen interface, the tick midgut expresses key proteins for tick survival and tick-borne pathogen transmission. Accordingly, midgut proteins are potential targets for the development of new drugs and vaccines aimed at tick control, and obtaining proteomic and transcriptomic data from the O. moubata midgut would facilitate the identification of such target candidates...
May 13, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28528531/diversity-and-distribution-of-ticks-from-domestic-ruminants-in-lebanon
#8
Mayssaa Fawaz Dabaja, Maria Tempesta, Ali Bayan, Gesualdo Vesco, Grazia Greco, Grazia Greco, Alessandra Torina, Valeria Blanda, Francesco La Russa, Salvatore Scimeca, Rossella Lelli, Mohamad Ezzedine, Hussein Mortada, Didier Raoult, Pierre Edouard Fournier, Mohamad Mortada
Ticks (Acari: Ixodidae) are ectoparasites infesting livestock in every geographic area in the world and they are vectors of several viral, bacterial, and protozoan pathogens to animals and humans worldwide. A deep knowledge of the geographical distribution of these arthropods would have a key role in the control of tick-borne diseases. Few data are available about tick presence in domestic ruminants in Lebanon. The study aimed at providing an analysis of tick presence and distribution in Lebanon. Ticks were collected from cattle, sheep, and goats farms distributed in 6 Lebanese provinces between June and September 2014...
April 11, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28526419/a-brief-history-of-the-discovery-of-tick-borne-encephalitis-virus-in-the-late-1930s-based-on-reminiscences-of-members-of-the-expeditions-their-colleagues-and-relatives
#9
REVIEW
Vladimir I Zlobin, Vanda V Pogodina, Olaf Kahl
Tick-borne encephalitis virus is the etiological agent of a severe human disease transmitted by hard ticks. It occurs in large parts of eastern, central, and western Asia and in Europe with thousands of human cases each year. Here, the discovery of the virus by Soviet scientists in the late 1930s in the Far East is described. The pioneering work involved with this discovery, which resulted in great scientific and epidemiological achievement, was undertaken under the most difficult conditions, and some of the scientists and their technical assistants paid for it with their health and even their lives...
May 5, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28520981/clinical-presentation-and-outcomes-of-children-with-human-granulocytic-anaplasmosis
#10
Anna M Schotthoefer, Matthew C Hall, Satya Vittala, Raza Bajwa, Holly M Frost
Background.: Adults with the tick-borne disease human granulocytic anaplasmosis (HGA) have a spectrum of acute febrile illnesses that, if untreated, might be severe. Clinical presentation and outcomes of children with HGA have been poorly described. Methods.: A retrospective analysis was conducted to determine the frequency, presentation, and outcomes of pediatric patients with HGA between 1994 and 2015 in a region of Wisconsin in which HGA is highly endemic. Patients with related International Classification of Diseases Ninth and Tenth Revision (ICD-9 and ICD-10, respectively) codes or positive HGA laboratory test results were evaluated and classified as having had confirmed, probable, or suspected HGA on the basis of the Centers for Disease Control and Prevention (CDC) case definition...
May 16, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28518024/tick-borne-encephalitis-virus-in-ticks-and-roe-deer-the-netherlands
#11
Setareh Jahfari, Ankje de Vries, Jolianne M Rijks, Steven Van Gucht, Harry Vennema, Hein Sprong, Barry Rockx
We report the presence of tick-borne encephalitis virus (TBEV) in the Netherlands. Serologic screening of roe deer found TBEV-neutralizing antibodies with a seroprevalence of 2%, and TBEV RNA was detected in 2 ticks from the same location. Enhanced surveillance and awareness among medical professionals has led to the identification of autochthonous cases.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28515298/crimean-congo-hemorrhagic-fever-virus-nucleocapsid-protein-augments-mrna-translation
#12
Subbiah Jeeva, Erdong Cheng, Safder S Ganaie, Mohammad A Mir
Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne nairovirus of the Bunyaviridae family, causing severe illness with high mortality rates in humans. Here we demonstrate that CCHFV nucleocapsid protein (CCHFV-NP) augments mRNA translation. CCHFV-NP binds to the viral mRNA 5' UTR with high affinity. It facilitates the translation of reporter mRNA both in vivo and in vitro with the assistance of viral mRNA 5' UTR. CCHFV-NP equally favors the translation of both capped and uncapped mRNAs, demonstrating the independence of this translation strategy on the 5' cap...
May 17, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28514953/emergence-of-babesia-canis-in-southern-england
#13
Maria Del Mar Fernández de Marco, Luis M Hernández-Triana, L Paul Phipps, Kayleigh Hansford, E Sian Mitchell, Ben Cull, Clive S Swainsbury, Anthony R Fooks, Jolyon M Medlock, Nicholas Johnson
BACKGROUND: The United Kingdom is considered free of autochthonous transmission of canine babesiosis although cases are reported in dogs associated with recent travel abroad. During the winter months of 2015/16, a cluster of cases of disease in dogs with signs suggestive of canine babesiosis were reported in Harlow, Essex. METHODS: Babesia species were detected in dog blood samples by Giemsa staining of blood smears and by pan-piroplasm PCRs. Babesia species were also detected in extracts of tick DNA using pan-piroplasm PCRs...
May 17, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28512621/spontaneous-acute-subdural-hemorrhage-in-a-patient-with-a-tick-borne-bunyavirus-induced-severe-fever-with-thrombocytopenia-syndrome
#14
Jihwan Yoo, Ji Woong Oh, Chang Gi Jang, Ju Hyung Moon, Eui-Hyun Kim, Jong Hee Chang, Sun Ho Kim, Seok-Gu Kang
We report the first case of severe fever with thrombocytopenia syndrome (SFTS) and a spontaneous acute subdural hematoma (SDH) in Korea. A 79-year-old male presented with fever and thrombocytopenia. On the third day of hospitalization, his mental changed from drowsy to semi-coma. Brain computed tomography indicated an acute subdural hemorrhage on the right convexity. He was given early decompressive craniectomy, but did not survive. Real-time reverse transcription polymerase chain reaction analysis of a blood sample indicated the presence of SFTS virus (SFTSV)...
April 2017: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/28512589/a-case-of-early-disseminated-neurological-lyme-disease-followed-by-atypical-cutaneous-manifestations
#15
Vamsi Kantamaneni, Vikas Sunder, Mohammad Bilal, Scott Vargo
Lyme disease (LD) is a tick-borne illness caused by Borrelia burgdorferi sensu stricto. An 80-year-old female from Pennsylvania, USA, presented to an outside hospital with fever, confusion, lower extremity weakness, and stool incontinence. CT head and MRI spine were unremarkable. An infectious work-up including lumbar puncture was negative. She was transferred to our tertiary care hospital. Patient was noted to have mild unilateral right-sided facial droop and a diffuse macular rash throughout the body. She denied any outdoor activities, tick bites, or previous rash...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28506240/inhibitors-compounds-of-the-flavivirus-replication-process
#16
REVIEW
Leidy L García, Leonardo Padilla, Jhon C Castaño
Flaviviruses are small viruses with single-stranded RNA, which include the yellow fever virus, dengue virus, West Nile virus, Japanese encephalitis virus, tick-borne encephalitis virus, and Zika virus; and are causal agents of the most important emerging diseases that have no available treatment to date. In recent years, the strategy has focused on the development of replication inhibitors of these viruses designed to act mainly by affecting the activity of enzyme proteins, such as NS3 and NS5, which perform important functions in the viral replication process...
May 15, 2017: Virology Journal
https://www.readbyqxmd.com/read/28506041/identification-of-tick-species-collected-from-wild-boars-and-habitats-of-wild-boars-and-domestic-pigs-in-the-republic-of-korea
#17
Jeong-Byoung Chae, Jun-Gu Kang, Heung-Chul Kim, Sung-Tae Chong, In-Yong Lee, Nam-Shik Shin, Joon-Seok Chae
Tick is one of the most important arthropods in the transmission of vector-borne diseases. In this study, we investigated the abundance and species of ticks associated with swine and their habitats to assess the risk of spread of tick-borne diseases in host species, such as wild boars. Ticks were collected from 24 grazing or traditionally reared domestic pig farms and 8 habitats of wild boars in 8 provinces and 1 city in the Republic of Korea, by using the dragging and flagging methods. Ticks were also collected directly from 49 wild boars by using fine forceps...
April 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28504633/-tick-borne-infections-in-denmark
#18
Bo Bødker Jensen, Lukas Frans Ocias, Nanna Skaarup Andersen, Ram Benny Dessau, Karen Angeliki Krogfelt, Sigurdur Skarphedinsson
The castor bean tick, Ixodes ricinus, is common in woodlands in most of Denmark. Besides Borrelia burgdorferi, it can harbour a number of pathogenic microorganisms such as tick-borne encephalitis virus, Anaplasma phagocytophilum, Rickettsia helvetica, Francisella tularensis, Candidatus Neoehrlichia mikurensis, Bartonella spp., Borrelia miyamotoi and Babesia spp. These tick-borne infections should be a differential diagnostic consideration during the tick season in Denmark. We review the distribution, clinical manifestations, diagnosis and treatment of these microorganisms...
May 15, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28504447/tick-infestation-of-small-mammals-in-an-english-woodland
#19
Benjamin Cull, Alexander G C Vaux, Lisa J Ottowell, Emma L Gillingham, Jolyon M Medlock
Tick infestations on small mammals were studied from April to November, 2010, in deciduous woodland in southern England in order to determine whether co-infestations with tick stages occurred on small mammals, a key requirement for endemic transmission of tick-borne encephalitis virus (TBEV). A total of 217 small mammals was trapped over 1,760 trap nights. Yellow-necked mice (Apodemus flavicollis) made up the majority (52.5%) of animals, followed by wood mice (A. sylvaticus) 35.5% and bank voles (Myodes glareolus) 12%...
June 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/28504425/active-surveillance-to-update-county-scale-distribution-of-four-tick-species-of-medical-and-veterinary-importance-in-oklahoma
#20
Jessica R Mitcham, Anne W Barrett, Jeff M Gruntmeir, Taylor Holland, Jaclyn E Martin, Eileen M Johnson, Susan E Little, Bruce H Noden
The incidence of tick-borne disease continues to increase in humans and companion animals in the United States, yet distribution maps for several tick vectors in Oklahoma, including Dermacentor variabilis, Dermacentor albipictus, Ixodes scapularis, and Amblyomma maculatum, are not available or are outdated. To address this issue, county-scale tick records from peer-reviewed literature and passive collections were reviewed for Oklahoma. Additionally, dry ice traps, tick drags, and harvested deer were utilized to actively collect adult ticks throughout the state...
June 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
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