Providers often fail to consider ehrlichia when treating tick-borne infections

(University of North Carolina Health Care) When patients present to providers in North Carolina for a possible tick bite, clinicians are not testing them for Ehrlichia, a tick-borne illness that occurs more frequently than Lyme disease and as frequently as Rocky Mountain Spotted Fever.
Source: EurekAlert! - Infectious and Emerging Diseases - Category: Infectious Diseases Source Type: news

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Publication date: Available online 18 April 2019Source: Ticks and Tick-borne DiseasesAuthor(s): Eliza A.H. Little, John F. Anderson, Kirby C. Stafford, Lars Eisen, Rebecca J. Eisen, Goudarz MolaeiAbstractLyme disease is the most prevalent vector-borne disease in the United States. Ixodes scapularis, commonly referred to as the blacklegged tick, is the primary vector of Lyme disease spirochetes, Borrelia burgdorferi sensu lato (s.l.), in the eastern United States. Connecticut has pervasive populations of I. scapularis and remains a hotspot for Lyme disease. A primary aim of this study was to determine if passively collected...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
In this study, we applied complementary in silico approaches to modeling how Anaplasma phagocytophilum infection modulates tick vector regulome. This proof-of-concept research provided support for the use of network analysis in the study of regulome response to infection, resulting in new information on tick-pathogen interactions and potential targets for developing interventions for the control of tick infestations and pathogen transmission. Deciphering the precise nature of circuits that shape the tick regulome in response to pathogen infection is an area of research that in the future will advance our knowledge of tick-...
Source: Frontiers in Physiology - Category: Physiology Source Type: research
Publication date: July 2019Source: Biomedicine &Pharmacotherapy, Volume 115Author(s): Hua Zhao, Xiting Dai, Xinlin Han, Aihua Liu, Fukai Bao, Ruolan Bai, Zhenhua Ji, Miaomiao Jian, Zhe Ding, Manzama-Esso Abi, Taigui Chen, Lisha Luo, Mingbiao Ma, Lvyan TaoAbstractLyme disease, reffered to as Lyme borreliosis, is a tick-borne zoonotic disease caused by Borrelia burgdorferi spirochetes. Lyme arthritis, the most common, serious and harmful manifestation during the late stages of Lyme disease, is closely associated with the Borrelia burgdorferi basic membrane protein A (BmpA). Chemokines are also reported to have an importa...
Source: Biomedicine and Pharmacotherapy - Category: Drugs & Pharmacology Source Type: research
This study provides insight into the microbial diversity of I. scapularis in New York State and Connecticut.
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
Charlotte Mason1, Xiaoyan Liu2, Spoorthy Prabhudeva1 and Zhiming Ouyang1* 1Department of Molecular Medicine, University of South Florida, Tampa, FL, United States 2Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX, United States BosR, a Fur family member, is essential for the pathogenesis of the Lyme disease pathogen, Borrelia burgdorferi. Unlike typical Fur proteins in which DNA binding represses gene expression, binding of BosR to the rpoS promoter directly activates rpoS transcription in B. burgdorferi. However, virtually nothing is known concerning potential structural fea...
Source: Frontiers in cellular and infection microbiology - Category: Microbiology Source Type: research
Publication date: Available online 14 April 2019Source: Ticks and Tick-borne DiseasesAuthor(s): Elisa Martello, Alessandro Mannelli, Elena Grego, Leonardo Adrian Ceballos, Charlotte Ragagli, Maria Cristina Stella, Laura TomassoneAbstractTicks and ear biopsies were collected from wild small rodents in 2011 and 2012 in the northern Apennines (Italy), up to 1650 m above sea level. Apodemus spp. (n = 83) and Myodes glareolus (n = 22) were infested by Ixodes ricinus (192 larvae and two nymphs), Dermacentor marginatus (179 larvae and 29 nymphs), and Ixodes trianguliceps (three larvae and two ny...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
Publication date: Available online 14 April 2019Source: Ticks and Tick-borne DiseasesAuthor(s): Xiuqin Zhong, Mehrnaz Nouri, Lars RåbergAbstractStudies of Borrelia burgdorferi sensu lato in laboratory mice and humans have shown that spirochaetes disseminate from the site of infection (skin) to internal tissues, and cause various pathological effects. However, less is known about colonization and pathology of Lyme borreliosis spirochaetes in their natural hosts. In the present study, we assessed the colonization and manifestations during B. afzelii infection in reservoir hosts (yellow-necked mouse, Apodemus flavicolli...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
Funding Opportunity RFA-AI-19-037 from the NIH Guide for Grants and Contracts. The purpose of this Funding Opportunity Announcement (FOA) is to encourage the development of vaccines and other approaches for the prevention of Lyme disease and/or other tick-borne diseases.
Source: NIH Funding Opportunities (Notices, PA, RFA) - Category: Research Source Type: funding
a Szturcová Daniel Růžek Kurt Pfister Libor Grubhoffer In Europe, Lyme borreliosis (LB) and tick-borne encephalitis (TBE) are the two vector-borne diseases with the largest impact on human health. Based on data on the density of host-seeking Ixodes ricinus ticks and pathogen prevalence and using a variety of environmental data, we have created an acarological risk model for a region where both diseases are endemic (Czech Republic—South Bohemia and Germany—Lower Bavaria, Upper Palatinate). The data on tick density were acquired by flagging 50 sampling sites three times in a single seas...
Source: International Journal of Environmental Research and Public Health - Category: Environmental Health Authors: Tags: Article Source Type: research
Tick-borne encephalitis (TBE) is one of eight zoonoses carried by ticks in Norway (the others are Anaplasmosis, Babesiosis, Louping ill, Lyme borreliosis, Relapsing fever, Rickettsial spotted fever and Tularemia).  As displayed in the following graphs, rates of human TBE are considerably lower than those of other tick-borne diseases in Norway, and below TBE rates reported by neighboring countries. [1-3]     References: Berger S. Infectious Diseases of Norway, 2019. 387 pages , 138 graphs , 858 references. Gideon e-books,  https://www.gideononline.com/ebooks/country/infectious-diseases-of-norway/ Berg...
Source: GIDEON blog - Category: Databases & Libraries Authors: Tags: Ebooks Epidemiology Graphs ProMED Source Type: blogs
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