Results 181 to 190 of about 5,131 (199)
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Old and new tick-borne rickettsioses
International Health, 2009The field of rickettsiology is rapidly evolving. Rickettsiae are small Gram-negative bacteria that can be transmitted to humans by arthropods. In most cases they are transmitted transovarially in the arthropod; human beings are incidental hosts. In recent years the use of cell culture and molecular biology has profoundly changed our knowledge of ...
Aurélie, Renvoisé +2 more
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Diagnostics of tick-borne rickettsioses in Germany: A modern concept for a neglected disease
International Journal of Medical Microbiology, 2008 Abstract Tick-borne rickettsioses in humans occur worldwide and are caused by obligate intracellular bacteria belonging to the spotted-fever group (SFG) within the genus Rickettsia ( R. ). These tick-borne rickettsioses are among the most underdiagnosed vector-borne diseases in Germany: Due to the variety of unspecific clinical signs, they are not ...
Roman Wölfel
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Rickettsioses and Other Tick-Borne Diseases Across the Border: Regional Focus in Chihuahua
Southwestern Entomologist, 2021Rocky Mountain spotted fever is of public importance from clinical and veterinary perspectives. During the last decade, cases have increased throughout Mexico, along with other tick-borne diseases. The number of cases reported has increased in northern states of the country that border the United States of America.
Carolina Maynez-Prieto +5 more
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Tick-borne rickettsioses in Africa.
2021Abstract This expert opinion focuses on the impact of global warming and climate change on the incidence, prevalence and distribution of rickettsial infections in Africa, with emphasis on Rickettsia africae, R. conorii, R. aeschlimannii, R. sibirica subsp. mongolotimonae and other tick-borne rickettsiae.
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Detection of causative agents of tick-borne rickettsioses in Western Siberia, Russia: identification of Rickettsia raoultii and Rickettsia sibirica DNA in clinical samples [PDF]
Clinical Microbiology and Infection, 2018 The main causative agent of tick-borne rickettsioses in Siberia is considered to be Rickettsia sibirica; however, only a few cases have been genetically confirmed. Other pathogenic species of Rickettsia have been detected in ixodid ticks in Western Siberia.
Vera Rar
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Tick-borne rickettsioses in America: Unanswered questions and emerging diseases
Current Infectious Disease Reports, 2008During most of the 20th century, Rickettsia rickettsii, the agent of Rocky Mountain spotted fever, was considered the only tick-borne rickettsia associated with human diseases in the Americas. This dogma suggested that the other characterized and noncharacterized rickettsiae isolated from ticks were not pathogenic to humans.
Philippe, Parola +2 more
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Annals of the New York Academy of Sciences, 2006
Abstract: During our more than 20 years of monitoring, we have used epidemiological, field, and experimental methods for characterization of natural foci of tick‐borne rickettsioses in Russia. The main results were obtained through genetic methods (PCR sequence) at the Université de la Mediterranée (Marseille, France).
Nikolay V Rudakov +2 more
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Abstract: During our more than 20 years of monitoring, we have used epidemiological, field, and experimental methods for characterization of natural foci of tick‐borne rickettsioses in Russia. The main results were obtained through genetic methods (PCR sequence) at the Université de la Mediterranée (Marseille, France).
Nikolay V Rudakov +2 more
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Vector-Borne and Zoonotic Diseases, 2011
The presence of antibodies to Rickettsia conorii, R. helvetica, R. felis, R. slovaca, R. sibirica, and R. massiliae in sera of 129 forest workers from northeastern and southern Poland was assayed by indirect immunofluorescence. Previous environmental studies revealed presence of spotted fever group (SFG) rickettsiae in ticks collected from these areas.
Grzegosz Karbowiak
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The presence of antibodies to Rickettsia conorii, R. helvetica, R. felis, R. slovaca, R. sibirica, and R. massiliae in sera of 129 forest workers from northeastern and southern Poland was assayed by indirect immunofluorescence. Previous environmental studies revealed presence of spotted fever group (SFG) rickettsiae in ticks collected from these areas.
Grzegosz Karbowiak
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Mediterranean Spotted Fever and Other Tick-Borne Rickettsioses
2014Rickettsioses are arthropod-borne infections caused by bacteria belonging to the genus Rickettsia within the family Rickettsiaceae in the order Rickettsiales. Most of these zoonoses are transmitted by ticks, but some are vectored by lice, fleas, or mites.
Pierre-Edouard Fournier, Didier Raoult
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