Results 31 to 40 of about 9,741 (281)

Rickettsial Infection in the COVID-19 Era: The Correlation between the Detection of Rickettsia aeschlimannii in Ticks and Storytelling Photography of a Presumable Human Rickettsiosis Case

Microorganisms, 2023
Rickettsia aeschlimannii infection is an emerging human tick-borne disease with only a few recorded cases. We reported a presumable autochthonous case of rickettsiosis in an Italian cattle breeder associated with a Hyalomma marginatum bite.
D. Raele, M. Cafiero
semanticscholar   +1 more source

The natural history of Amblyomma maculatum sensu lato, a vector of Rickettsia parkeri rickettsiosis, in southern Arizona. [PDF]

Sci Rep
Amblyomma maculatum sensu lato (s.l.) is an ixodid tick found in the semi-arid southwestern United States and northern Mexico where it is a parasite of medical and veterinary significance, including as a vector for Rickettsia parkeri, a cause of spotted ...
Lynn GE, Ludwig TJ, Allerdice MEJ, Paddock CD, Grisham BA, Lenhart PA, Teel PD, Johnson TL.   +7 more
europepmc   +2 more sources

Detection of Rickettsia spp. in Animals and Ticks in Midwestern Brazil, Where Human Cases of Rickettsiosis Were Reported

Animals, 2023
Simple Summary Human cases of Brazilian spotted fever (BSF), diagnosed serologically by immunofluorescence assay, have recently been reported in the Goiás state, midwestern Brazil.
Lucianne Cardoso Neves, W. V. F. D. Paula, Luiza Gabriella Ferreira de Paula, Bianca Barbara Fonseca da Silva, Sarah Alves Dias, Brenda Gomes Pereira, Bruno Sérgio Alves Silva, A. P. Sevá, F. Dantas‑Torres, M. Labruna, F. Krawczak   +10 more
semanticscholar   +1 more source

Rickettsiosis [PDF]

Revista MVZ Córdoba, 2017
Las rickettsiosis son consideradas enfermedades desatendidas, poco reconocidas o confundidas con otras patologías en las áreas tropicales y subtropicales. En Colombia, a pesar de tener identificadas zonas endémicas de rickettsiosis son pocos los estudios realizados sobre la enfermedad y son escasos los trabajos de vigilancia en salud pública ...
Jorge Miranda R, Salim Mattar V, Marco González Tous   +2 more
openaire   +1 more source

Epidemiological, Clinical, and Microbiological Characteristics in a Large Series of Patients Affected by Dermacentor-Borne-Necrosis-Erythema-Lymphadenopathy from a Unique Centre from Spain

Pathogens, 2022
During recent decades, a tick-borne rickettsial syndrome, characterized by eschar and painful lymphadenopathy after Dermacentor marginatus-bite, has been described as an emerging rickettsiosis in Europe.
Sonia Santibáñez, Aránzazu Portillo, Valvanera Ibarra, Paula Santibáñez, Luís Metola, Concepción García-García, Ana M. Palomar, Cristina Cervera-Acedo, Jorge Alba, José R. Blanco, José A. Oteo   +10 more
doaj   +1 more source

Infecção por riquétsias em carrapatos de aves silvestres em duas ecorregiões da Argentina [PDF]

, 2016
Several tick-borne Rickettsia species are recognized human pathogens in Argentina. Here we evaluated rickettsial infection in ticks collected on passerine birds during 2011-2012 in two eco-regions of Argentina.
Borges Costa, Francisco, Diaz, Luis Adrian, Flores, Fernando Sebastián, Labruna, Marcelo Bahía, Nava, Santiago   +4 more
core   +1 more source

Skin in the Game: An Assay to Monitor Leukocyte Infiltration in Dermal Lesions of a Guinea Pig Model for Tick-Borne Rickettsiosis

Pathogens, 2022
Intact, the skin typically serves as an effective barrier to the external world; however, once pathogens have breached this barrier via a wound, such as a tick bite, the surrounding tissues must recruit immune cells from the blood to neutralize the ...
Claire E. Cross, J. Stokes, N. Alugubelly, Anne-Marie L Ross, Bridget V. Willeford, Jamieson Walker, A. Varela-Stokes   +6 more
semanticscholar   +1 more source

Exotic Rickettsiae in Ixodes ricinus: fact or artifact? [PDF]

, 2010
Several pathogenic Rickettsia species can be transmitted via Ixodes ricinus ticks to humans and animals. Surveys of I. ricinus for the presence of Rickettsiae using part of its 16S rRNA gene yield a plethora of new and different Rickettsia sequences ...
Fonville, M., Overbeek, L.S., van, Reimerink, J.H.J., Sprong, H., Tijsse-Klasen, E.   +4 more
core   +4 more sources

High prevalence of Rickettsia africae variants in Amblyomma variegatum ticks from domestic mammals in rural western Kenya: implications for human health [PDF]

, 2014
Tick-borne spotted fever group (SFG) rickettsioses are emerging human diseases caused by obligate intracellular Gram-negative bacteria of the genus Rickettsia.
Ade, Fredrick, Breiman, Robert F., Cleaveland, Sarah, Cutler, Sally J., Feikin, Daniel R., Jiang, Ju, Knobel, Darryn L., Maina, Alice N., Mpoke, Solomon, Ng'ang'a, Zipporah, Njenga, M. Kariuki, Ogola, Eric, Omulo, Sylvia A., Richards, Allen L.   +13 more
core   +3 more sources

Expanding Range of Amblyomma americanum and Simultaneous Changes in the Epidemiology of Spotted Fever Group Rickettsiosis in the United States

American Journal of Tropical Medicine and Hygiene, 2015
Spotted fever group (SFG) Rickettsia species are etiologic agents of a wide range of human infections from asymptomatic or mild infections to severe, life-threatening disease.
F. Scott Dahlgren, Christopher D. Paddock, Yuri P. Springer, Rebecca J. Eisen, Casey Barton Behravesh   +4 more
openalex   +2 more sources