Results 21 to 30 of about 129,307 (335)

Spotted Fever Group and Typhus Group Rickettsioses in Humans, South Korea

Emerging Infectious Diseases, 2005
The presence of the nucleic acid of the spotted fever group (SPG) and typhus group (TG) rickettsiae was investigated in 200 serum specimens seropositive for SFG rickettsiae by multiplex-nested polymerase chain reaction with primers derived from the ...
Yeon-Joo Choi, Won-Jong Jang, Jong-Hyun Kim, Ji-Sun Ryu, Seung-Hyun Lee, Kyung-Hee Park, Hyung-Suk Paik, Young-Sang Koh, Myung-Sik Choi, Ik-Sang Kim   +9 more
doaj   +3 more sources

Spotted Fever Group Rickettsiae in Inner Mongolia, China, 2015–2016

Emerging Infectious Diseases, 2018
We found Rickettsia raoultii infection in 6/261 brucellosis-negative patients with fever of unknown origin in brucellosis-endemic Inner Mongolia, China. We further identified Hyalomma asiaticum ticks associated with R. raoultii, H.
Gaowa, Wulantuya, Xuhong Yin, Shengchun Guo, Chunlian Ding, Minzhi Cao, Hiroki Kawabata, Kozue Sato, Shuji Ando, Hiromi Fujita, Fumihiko Kawamori, Hongru Su, Masahiko Shimada, Yuko Shimamura, Shuichi Masuda, Norio Ohashi   +15 more
doaj   +2 more sources

Spotted Fever and Typhus Group Rickettsiae in Dogs and Humans, Mexico, 2022

Emerging Infectious Diseases, 2023
We found serologic evidence of spotted fever group Rickettsia in humans and dogs and typhus group Rickettsia in dogs in Reynosa, Mexico. Our investigation revealed serologic samples reactive to spotted fever group Rickettsia in 5 community members ...
Ricardo Palacios-Santana, Lihua Wei, Nadia A. Fernandez-Santos, Mario A. Rodriguez-Perez, Sergio Uriegas-Camargo, Nicole L. Mendell, Donald H. Bouyer, Jose Guillermo Estrada-Franco   +7 more
doaj   +1 more source

Detection of Novel Spotted Fever Group Rickettsiae (Rickettsiales: Rickettsiaceae) in Ticks (Acari: Ixodidae) in Southwestern China

Journal of medical entomology, 2021
Spotted fever group rickettsiae, mainly maintained and transmitted by ticks, are important etiological agents of (re)emerging zoonotic diseases worldwide.

semanticscholar   +1 more source

Incidence Estimates of Acute Q Fever and Spotted Fever Group Rickettsioses, Kilimanjaro, Tanzania, from 2007 to 2008 and from 2012 to 2014

American Journal of Tropical Medicine and Hygiene, 2021
. Q fever and spotted fever group rickettsioses (SFGR) are common causes of severe febrile illness in northern Tanzania. Incidence estimates are needed to characterize the disease burden.
Sruti Pisharody, M. Rubach, M. Carugati, W. Nicholson, J. Perniciaro, H. Biggs, M. Maze, J. Hertz, Jo E. B. Halliday, K. J. Allan, B. Mmbaga, W. Saganda, Bingileki F Lwezaula, R. Kazwala, S. Cleaveland, V. Maro, J. Crump   +16 more
semanticscholar   +1 more source

One Health Approach to Rickettsiosis: A Five-Year Study on Spotted Fever Group Rickettsiae in Ticks Collected from Humans, Animals and Environment

Microorganisms, 2021
The spotted fever group of Rickettsiae is a heterogeneous group of Rickettsiae transmitted by ticks, causing similar diseases in humans (spotted fever). Until recently, it was supposed that a single pathogenic tick-borne SFG Rickettsia circulated in each
I. Pascucci, E. Antognini, C. Canonico, Marco Montalbano, A. Necci, Alessandra Di Donato, M. Moriconi, B. Morandi, G. Morganti, S. Crotti, S. Gavaudan   +10 more
semanticscholar   +1 more source

Etiology of Severe Non-malaria Febrile Illness in Northern Tanzania: A Prospective Cohort Study. [PDF]

, 2013
The syndrome of fever is a commonly presenting complaint among persons seeking healthcare in low-resource areas, yet the public health community has not approached fever in a comprehensive manner.
AJ Bouley, Anne B. Morrissey, B Nadjm, B Nadjm, B Pastorino, BM Greenwood, CA Petti, Charles Muiruri, CIR Chandler, CJ Murray, CJ Murray, DC Clifton, DR Feikin, EA Reddy, Eng Eong Ooi, Grace D. Kinabo, H Reyburn, HM Biggs, JA Berkley, JA Crump, JA Crump, JA Crump, JA Crump, John A. Bartlett, John A. Crump, JT Hertz, K Baltzell, LE Scott, LK Archibald, M Amexo, M Prabhu, Mathieu Picardeau, MD Bajani, MK Mayhood, MM Levine, N Scaramozzino, OS Levine, PA Connolly, PL Petit, R Lozano, Renee L. Galloway, Robert F. Massung, Robyn A. Stoddard, SI Hay, SJ Olsen, SL Brown, SM Graham, SM Lofgren, TJ O'Dempsey, Venance P. Maro, Wilbrod Saganda, William L. Nicholson, YL Lai   +52 more
core   +11 more sources

Spotted fever group rickettsioses documented in Morocco [PDF]

Clinical Microbiology and Infection, 2009
Mediterranean spotted fever (MSF) is caused by Rickettsia conorii conorii transmitted by the brown dog tick Rhipicephalus sanguineus. It is endemic in the Mediterranean area, where most of the cases are encountered during the summer, when the tick vectors are highly active [1].
Boudebouch, N., Sarih, M., Socolovschi, C., Fatihi, T., Chakib, A., Amarouch, H., Hassar, M., Rolain, J. M., Parola, P., /Raoult, Didier   +9 more
openaire   +3 more sources

Human Spotted Fever Rickettsial Infections

Emerging Infectious Diseases, 2005
Serum specimens from patients at 4 sites in Peru were tested for evidence of spotted fever group rickettsial infection. Results showed that 30 (18%) of 170 patients had spotted fever group rickettsial infections, which likely caused their illnesses ...
George B. Schoeler, Cecilia Morón, Allen L. Richards, Patrick J. Blair, James G. Olson   +4 more
doaj   +1 more source

Regulator of Actin-Based Motility (RoaM) Downregulates Actin Tail Formation by Rickettsia rickettsii and Is Negatively Selected in Mammalian Cell Culture

mBio, 2022
The etiological agent of Rocky Mountain spotted fever, Rickettsia rickettsii, is an obligately intracellular pathogen that induces the polymerization of actin filaments to propel the bacterium through the cytoplasm and spread to new host cells.
Adam M. Nock, Tina R. Clark, Ted Hackstadt   +2 more
doaj   +1 more source