Results 61 to 70 of about 13,737 (196)

Acute disseminated encephalomyelitis due to Rickettsia conorii infection

South African Medical Journal, 2021
Acute disseminated encephalomyelitis (ADEM) is an immune-mediated acute inflammatory demyelinating disorder, which typically occurs after viral infections or immunisation. We present a case of a man with acute Rickettsia conorii infection whose diagnosis was delayed. He presented with fever, headache, an eschar and an acute paraplegia. The R.
Woolf, D, Jordaan, M, Maartens, G
openaire   +4 more sources

Extraneurological Presentations of Tick‐Borne Encephalitis Virus: A Rare Case of TBEV‐Associated Myocarditis With Fever and Bicytopenia and a Systematic Literature Review

Case Reports in Infectious Diseases, Volume 2026, Issue 1, 2026.
Purpose Tick‐borne encephalitis (TBE), a zoonotic disease caused by the tick‐borne encephalitis virus (TBEV), usually manifests with a biphasic course with neurological involvement during its second phase. Extraneurological manifestations are rare but clinically relevant.
Marco Seneghini, Fabiola Lugano, Micha T. Maeder, Regine Garcia-Boy, Carol Strahm, Priya Gusain   +5 more
wiley   +1 more source

Mitochondrial Dysfunction in Ehrlichia canis Infection

Transboundary and Emerging Diseases, Volume 2026, Issue 1, 2026.
Transmitted by tick vectors, Ehrlichia canis (E. canis) is a Gram‐negative, obligate intracellular bacterium of zoonotic concern that infects both canine and human hosts. Its pathogenesis centers on the targeting of mononuclear phagocytes, where it establishes an intracellular niche by suppressing phagolysosomal fusion and evading immune detection ...
Xishuai Tong, Jing Jiang, Liu Yang, Yunying Liu, Li Chen, Xiaohui Fu, Gengsheng Yu, Naineng Chen, Shuo Tian, Siyang Huang, Shucheng Huang, Jameel Ahmed Buzdar, Xiang Chen, Zongping Liu, Francesco Mira   +14 more
wiley   +1 more source

Significant Growth by Rickettsia Species within Human Macrophage-Like Cells Is a Phenotype Correlated with the Ability to Cause Disease in Mammals

Pathogens, 2021
Rickettsia are significant sources of tick-borne diseases in humans worldwide. In North America, two species in the spotted fever group of Rickettsia have been conclusively associated with disease of humans: Rickettsia rickettsii, the causative agent of ...
M. Nathan Kristof, Paige E. Allen, Lane D. Yutzy, Brandon Thibodaux, Christopher D. Paddock, Juan J. Martinez   +5 more
doaj   +1 more source

Reestablishment of the Brown Dog Tick Rhipicephalus sanguineus (s.l.) in Chișinău, Moldova: A Case of Indoor Infestation

Veterinary Medicine and Science, Volume 11, Issue 5, September 2025.
A rare indoor infestation by the brown dog tick Rhipicephalus sanguineus (s.l.) was documented in an urban home in Chișinău, Moldova. The ticks were found in an apartment with no recent travel history and minimal dog movement. This case highlights the risk of reestablishment of this species in temperate regions and emphasizes the importance of ongoing ...
Morozov Alexandr, Victorova Anna, Railean Nadejda, Toderas Ion   +3 more
wiley   +1 more source

Retinopathy in Rickettsia conorii infection: case report in an immunocompetent host

, 2008
Mediterranean spotted fever (MSF) is an acute febrile, zoonotic disease caused by Rickettsia conorii. MSF is considered a relatively benign disease, but severe complications occur occasionally. However, reports of ocular involvement are few.
De Marco, M, LEONE, SEBASTIANO, Ghirga, P, Lazzari, R, Nicastri, E, Narciso, P.   +5 more
core   +1 more source

Serological Survey on the Occurrence of Rickettsia spp., Neospora caninum, Bartonella henselae and Toxoplasma gondii in Cats from Tuscany (Central Italy)

Animals, 2021
Asymptomatic cats often harbor pathogens, some of which have not been largely investigated in feline populations. The aim of this study was to evaluate the occurrence of antibodies against Rickettsia conorii, Rickettsia felis, Rickettsia typhi, Neospora ...
Valentina Virginia Ebani, Simona Nardoni, Michela Maestrini, Stefania Perrucci, Francesca Mancianti   +4 more
doaj   +1 more source

Kinetics of Antibody Responses in Rickettsia africae and Rickettsia conorii Infections [PDF]

Clinical and Vaccine Immunology, 2002
ABSTRACT African tick-bite fever, caused by Rickettsia africae , is the most common tick-borne rickettsiosis in sub-Saharan Africa. Mediterranean spotted fever due to Rickettsia conorii also occurs in the region but is more prevalent ...
Pierre-Edouard, Fournier, Mogens, Jensenius, Herman, Laferl, Sirka, Vene, Didier, Raoult   +4 more
openaire   +2 more sources

Prevalence and risk factors for murine typhus, scrub typhus and spotted fever group rickettsioses among adolescent and adult patients presenting to Yangon General Hospital, Yangon, Myanmar

Tropical Medicine &International Health, Volume 30, Issue 9, Page 966-977, September 2025.
Abstract Objectives To inform patient management and disease prevention, we sought to estimate the prevalence of, and identify risk factors for, scrub typhus, murine typhus, and spotted fever group rickettsioses (SFGR) among febrile patients presenting to hospital in Myanmar.
Thomas R. Bowhay, Tin Ohn Myat, Win Thandar Oo, Hla Kye Mone, Katrina J. Sharples, Matthew T. Robinson, Mayfong Mayxay, Paul N. Newton, Stuart D. Blacksell, Ampai Tanganuchitcharnchai, James E. Ussher, David R. Murdoch, Wah Win Htike, John A. Crump   +13 more
wiley   +1 more source

An epidemiological and serological study of Rickettsia in Western Australia [PDF]

, 2011
The study was aimed at investigating Western Australian rickettsiae, delving deeper into the epidemiology of a recently described rickettsia, Rickettsia gravesii, and any other rickettsiae lurking in the Western Australian bush. Prior to the discovery of
Abdad, Mohammad
core