Search results for "Coxiella"

Candidatus Neoehrlichia mikurensis and Borrelia burgdorferi sensu lato detected in the blood of Norwegian patients with erythema migrans

2017

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. Blood samples from 70 symptomatic tick-bitten adults from the Agder counties in southern Norway were screened for seven tick-borne pathogens by using a commercial multi…

Analysis of seroprevalence against Coxiella burnetii in a sample of farm workers in Western Sicily

2016

Introduction and objective. Little is known about the development of chronic Q fever caused by Coxiella burnetii in occupational risk groups and in the general population in Italy, as well as in many countries in the world. The aim of this study was to highlight the presence of the infection in a sample of workers operating outdoors (but not directly in contact with animals), in three provinces of western Sicily, in order to detect the human seroprevalence and compare the obtained data with those found in animals raised in the same territory. Materials and methods. The study included 126 generic seasonal agricultural workers (labourers), 84 male and 42 female; none of whom were aware of any…

Prevalence of Anaplasma, Ehrlichia, Rickettsia and Coxiella in different tick species

2011

Latvijas teritorijā sastopamās Q-drudža ierosinātājas baktērijas Coxiella burnetii genotipu noteikšana slaucamo govju saimniecībās

2020

Coxiella burnetii ir obligāta intracelulāra Coxiellaceae dzimtas baktērija, kas spēj izraisīt Q drudža slimību. Izplatīta visā pasaulē, iekļauta obligāti ziņojamo slimību sarakstā 25 Eiropas Savienības dalībvalstīs. Darba mērķis ir noteikt Latvijas teritorijā sastopamās Q-drudža ierosinātājas baktērijas Coxiella burnetii genotipus un to izplatību slaucamo govju saimniecībās. Maģistra darbs izstrādāts projekta “Zoonozes Q-drudža ietekme uz slaucamo govju reprodukciju un risinājumi slimības sastopamības samazināšanai un dzīvnieku ilgtspējīgai izmantošanai” ietvaros, Pārtikas drošības, dzīvnieku veselības un vides zinātniskajā institūtā “BIOR”. Darba ietvaros veikts visaptverošs projektā iegūt…

Q fever: a new ocular manifestation

2011

P Udaondo1,3, S Garcia-Delpech1,2, D Salom1,2, M Garcia-Pous1, M Diaz-Llopis1,21Department of Ophthalmology, Nuevo Hospital Universitario y Politecnico La Fe, Valencia, Spain; 2Faculty of Medicine, Universitat de València, Valencia, Spain; 3Universidad Cardenal Herrera CEU, Valencia, SpainAbstract: Q Fever is a zoonosis caused by Coxiella burnetii. Ocular manifestations are rare in this infection. We describe the case of a man complaining of an intense retro-orbital headache, fever, arthralgia, and bilateral loss of vision, who showed an anterior uveitis accompanied by exudative bilateral inferior retinal detachment and optic disk edema. At the beginning, a Vogt–Koyanag…

Epidemiology of Q fever in Italy and in other Mediterranean countries

1987

Abstract The history of Q fever in Italy may be divided into three periods: epidemic in character after the Second World War, endemic occurrence from 1960 to 1980, and sporadic occurrence at present. Clinical symptoms are unspecific, and diagnosis must be confirmed by serology and isolation of the causative agent. The reported incidence is consequently underestimated. Results are reported of a seroepidemiologic survey in animals and humans in the Italian region and western Sicily. In the Mediterranean area several epidemic foci are still present. The need of further studies to evaluate the incidence of Q fever and to shed more light upon the epidemiology of Coxiella burnetii infections is s…

Q fever in Europe: current aspects of aetiology, epidemiology, human infection, diagnosis and therapy.

1987

Il s'agit d'une zoonose. Elle est en general asymptomatique bien que des decouvertes nouvelles aussi bien chez l'homme que chez l'animal mettent en evidence des syndromes cliniques associes en particulier des maladies chroniques graves

Infección por Coxiella burnetii (fiebre Q)

2010

In spite of being described over 60 years, Q fever is still a little known disease. The exact prevalence is also unknown, but probably the number of cases of Q fever is underestimated. There is much variation in the clinical presentation, including severe forms with a poor prognosis. Acute cases often present as an asymptomatic infection, flu-like syndrome, pneumonia or hepatitis. Presumably, host factors play an important role in the development of chronic disease, which may present as endocarditis with negative blood culture. The diagnosis of Q fever should be considered in cases of fever of unknown origin, especially if the subject has been in contact with mammals suspicious to be infect…

Recent Advances on the Innate Immune Response to Coxiella burnetii.

2021

Coxiella burnetii is an obligate intracellular Gram-negative bacterium and the causative agent of a worldwide zoonosis known as Q fever. The pathogen invades monocytes and macrophages, replicating within acidic phagolysosomes and evading host defenses through different immune evasion strategies that are mainly associated with the structure of its lipopolysaccharide. The main transmission routes are aerosols and ingestion of fomites from infected animals. The innate immune system provides the first host defense against the microorganism, and it is crucial to direct the infection towards a self-limiting respiratory disease or the chronic form. This review reports the advances in understanding…

Coxiella burnetii spread in Sicily

2015

Q fever is a zoonotic disease caused by C. burnetii. Common reservoirs of this worldwide disease are wild and domestic animals, especially sheep, goats, cattle. Q fever has been considered also an occupational disease for abattoir workers, sheep shearers, livestock farmers, and veterinarians due to their direct contact with potentially infected animals. The aims of this study were to estimate C. burnetii spread in Sicilian livestock and among rangers that live and work in Western Sicily. ELISA test on animal serum and IFI test on seasonal rangers sera were carried out. Real Time PCR was performed on milk and vaginal swab samples collected from animals to search for the C. burnetii DNA. The …