PENTAGONIN RAPORTTEJA BORRELIABAKTEERISTA

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Medical Surveillance Monthly Report. Volume 16, Number 7, July 2009 Jul 2009 21 pages
Authors: ARMED FORCES HEALTH SURVEILLANCE CENTER SILVER SPRING MD
Full Text Lyme disease is a zoonotic tick-borne disease that is caused by infection with a spirochetal bacterium of the genus Borrelia. ... Atlantic seaboard and in nonurban areas of Wisconsin. Lyme disease is transmitted by ticks that feed on both humans ... blacklegged tick (Ixodes pacificus) are competent vectors of Lyme disease. The clinical manifestations and courses of ... days (range: 3 to 30 days). The presenting manifestation of Lymedisease is often a slowly enlarging, centrally clearing ... migrans). While erythema migrans is a distinctive characteristic of Lyme disease, it occurs in only 60-80% of cases. ...


Determinants of Infectivity of Pathogens in Vector Ticks Nov 15, 1990 80 pages
Authors: Andrew Spielman; HARVARD UNIV CAMBRIDGE MA
Full Text ... sperm from either mating take precedence in fertilizing eggs. By infesting deer with irradiated male I. dammini, the abundance of these vector ticks may effectively be reduced. The spirochetal agent of Lymedisease, Borrelia burgdorferi, disseminated from the guts of infected Ixodes dammini ticks following host attachment and appeared in slaiva before rapid engorgement commenced. This salivary route of infection appears to be the route of Lyme disease transmission in nature.


Simultaneous Detection of Multiple Disease States Feb 14, 1990 26 pages
Authors: Luis Lopez; BIOSTAR MEDICAL PRODUCTS INC BOULDER CO
Full Text ... demonstrate the utility of BioStar Optical ImmunoAssay (OIA) tm for the detection of infectious agents in insect populations using malaria and Lyme antigens as models. Also to demonstrate 'DIA applicability for the diagnosis of host response to malarial infections. To meet the latter ... and samples assayed for the presence of antibody to this antigen. Specificity of this antibody response was clearly demonstrated. For the detection of Malaria or Lyme antigens, the appropriate monoclonal antibodies were immobilized to the optical solid support. Samples were examined for the presence of antigen in ...


Failure to Identify Borrelia burgdorferi in Southern California Ticks by DNA Amplification 1993 3 pages
Authors: Patrick E. Olson; Allen L. Richards; Gregory A. Dasch; Charles A. Kennedy; NAVAL MEDICAL RESEARCH INST BETHESDA MD
Full Text In the absence of erythema migrans or late systemic sequelae, the diagnosis of lyme borreliosis after tick exposure remains difficult. Problems include the nonspecific nature of patient complaints, lack of serologic standardization, and difficulty propagating ... where Borrelia Burgdorferi is hyperendemic. Knowledge of the prevalence patterns of B. burgdorferi infection in potential tick vectors would be useful in assessing the risk ofLyme borreliosis in exposed patients and the utility of antimicrobial prophylaxis. We used polymerase chain reaction (PCR) to screen Southern California ticks for ...


Medical Surveillance Monthly Report (MSMR). Volume 2, Number 7, September 1996 Sep 1996 13 pages
Authors: Bruce H Jones; Sharon L Ludwig; Mark V Rubertone; John F Brundage; Stephen C Craig; Bill C Hewitson;Cynthia R Towle; ARMED FORCES HEALTH SURVEILLANCE CENTER SILVER SPRING MD
Full Text ... (EM). The involved soldiers were treated with Doxycycline 200 mg daily for 14 days. All clinical cases had serological tests for a variety of possible infective agents including Lyme, RMSF, Ehrlichia, and Leptospira. Only one specimen was found positive for RMSF. All serological tests for Borrelia burgdorferi (tickborne spirochete causing Lyme disease) were negative. The final results of the data analysis are pending and a case-control study to delineate other risk factors is underway.


Ticks of Medical Importance Occurring in the Western Hemisphere Oct 1987 69 pages
Authors: Jerome Goddard; SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TX
Full Text ... for medical and pest control personnel, describes each tick species of medical importance occuring in the Western Hemisphere. Guidance for the identification of these species as well as discussions about the diseases they harbor and transmit are included. In addition, appropriate tick control measures and suggestions for proper tick removal from humans are presented. Keywords: Tickborne diseases; LymeDisease; Rocky Mountain Spotted Fever; Tularemia; Colorado Tick Fever; Babesiosis; Tick Paralysis; Canine Ehrlichiosis in Humans; Ornithodoros; Amblyomma; Dermacentor; Ixodes; Rhipicephalus.


Arthropods: Vectors of Disease Agents Jul 1994 11 pages
Authors: Chad P. McHugh; ARMSTRONG LAB BROOKS AFB TX OCCUPATIONAL AND ENVIRONMENTAL HEALTH DIRECTORATE
Full Text ... arthropods. The interactions between arthropods and the various etiologic agents they transmit are reviewed. The incidence of arthropod-borne diseases in the United States, the causative agents, and their reservoirs, vectors and transmission mechanisms are summarized in a Table. The ecology of five arthropod-borne diseases - Lyme disease, eastern equine encephalitis, plague, tularemia, and leishmaniasis - is discussed to illustrate the complex, dynamic nature of these disease cycles. The evidence for the lack of arthropod transmission of HIV is examined. The clinical importance of arthropod ...


Training Technologies Pilot Study: Nonresident Computer Based Training Effectiveness Evaluation May 1998 143 pages
Authors: Thomas J. Hammell; Leonard Kingsley; PARADIGM ASSOCIATES EAST LYME CT
Full Text A pilot study was performed by the U.S. Coast Guard Research and Development Center (R&DC) to explore the potential benefits of using state-of- the-industry technologies as a "travel-free" alternative to instructor-led training performed at a resident training center (schoolhouse environment). This report presents the results of the effectiveness evaluation and duty station implementation analysis, which were performed as a part of the pilot study. A third part of the pilot study, the cost comparison analysis, is presented in a separate report. The effectiveness evaluation compared ...


Ability of Two Natural Products, Nootkatone and Carvacrol, to Suppress Ixodes Scapularis and Amblyomma americanum (Acari: Ixodidae) in a Lyme Disease Endemic Area of New Jersey Dec 2009 10 pages
Authors: Marc C Dolan; Robert A Jordan; Terry L Schulze; Christopher J Schulze; Mark C Manning; Daniel Ruffolo;Jason P Schmidt; Joseph Piesman; Joseph J Karchesy; CENTERS FOR DISEASE CONTROL AND PREVENTION ATLANTA GA
Full Text We evaluated the ability of the natural, plant-derived acaricides nootkatone and carvacrol to suppress Ixodes scapularis Say and Amblyomma americanum (L.) (Acari: Ixodidae). Aqueous formulations of 1 and 5% nootkatone applied by backpack sprayer to the forest litter layer completely suppressed I. scapularis nymphs through 2 d. Thereafter, the level of reduction gradually declined to -50% at 28 d postapplication. Against A. americanum nymphs, 1% nootkatone was less effective, but at a 5% concentration, the level of control was similar or greater to that observed with L scapularis through 21 d ...


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