Results 11 to 20 of about 567,593 (331)

An update on the epidemiological situation of spotted fever in Brazil

Journal of Venomous Animals and Toxins including Tropical Diseases, 2016
Background Spotted fever is a tick-borne rickettsial disease. In Brazil, its notification to the Ministry of Health is compulsory. Since 2007, cases of spotted fever have been integrated to the Notifiable Diseases Information System, and epidemiological
Stefan Vilges de Oliveira, Jessica Noronha Guimarães, Guilherme Carneiro Reckziegel, Bidiah Mariano da Costa Neves, Keline Medeiros de Araújo-Vilges, Lidsy Ximenes Fonseca, Fernanda Voietta Pinna, Simone Valéria Costa Pereira, Eduardo Pacheco de Caldas, Gilberto Salles Gazeta, Rodrigo Gurgel-Gonçalves   +10 more
doaj   +2 more sources

Human Infection with Novel Spotted Fever Group Rickettsia Genotype, China, 2015

Emerging Infectious Diseases, 2016
Only 4 species of spotted fever group rickettsiae have been detected in humans in China. However, phylogenetic analysis of samples from 5 ill patients in China indicated infection with a novel spotted fever group Rickettsia, designated Rickettsia sp ...
Hao Li, Xiao-Ming Cui, Ning Cui, Zhen-Dong Yang, Jian-Gong Hu, Ya-Di Fan, Xue-Juan Fan, Lan Zhang, Pan-He Zhang, Wu-Chun Cao, Li-Qun Fang   +10 more
doaj   +2 more sources

Mediterranean Spotted Fever: Current Knowledge and Recent Advances [PDF]

Tropical Medicine and Infectious Disease, 2021
Mediterranean spotted fever (MSF) is an emerging tick-borne rickettsiosis of the spotted fever group (SFG), endemic in the Mediterranean basin. By virtue of technological innovations in molecular genetics, it has been determined that the causative agent ...
Nikolaos Spernovasilis, Ioulia Markaki, M Papadakis, Nikolaos Mazonakis, Despo Ierodiakonou   +4 more
openalex   +2 more sources

Vector Tick Transmission Model of Spotted Fever Rickettsiosis [PDF]

American Journal of Pathology, 2018
Taís B. Saito, Jeremy Bechelli, Claire Smalley, Shahid Karim, David H. Walker   +4 more
openalex   +2 more sources

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.
Qian Wang, Wen-Bin Guo, Yu-Sheng Pan, Bao-Gui Jiang, Chun-hong Du, Teng-Cheng Que, Lin Zhan, Jia-Hong Wu, Ming-Hui Yu, Xiao-ming Cui, Lin Zhao, Da-Li Xu, Luoyuan Xia, Run-Ze Ye, Jie Li, Lianfeng Li, Wei Wei, Yuhao Zhou, Jia-Fu Jiang, Na Jia, Wu-Chun Cao   +20 more
semanticscholar   +1 more source

Virulence potential of Rickettsia amblyommatis for spotted fever pathogenesis in mice

Pathogens and Disease, 2021
Rickettsia amblyommatis belongs to the spotted fever group of Rickettsia and infects Amblyomma americanum (Lone Star ticks) for transmission to offspring and mammals. Historically, the geographic range of A.
W. Yen, Kayla Stern, Smruti Mishra, Luke Helminiak, Santiago Sanchez-Vicente, H. Kim   +5 more
semanticscholar   +1 more source

The Ability of the Invasive Asian Longhorned Tick Haemaphysalis longicornis (Acari: Ixodidae) to Acquire and Transmit Rickettsia rickettsii (Rickettsiales: Rickettsiaceae), the Agent of Rocky Mountain Spotted Fever, Under Laboratory Conditions

Journal of medical entomology, 2020
The invasive Asian longhorned tick, Haemaphysalis longicornis Neumann, was first detected in the United States in 2017. It has since been found in 12 states, and there is concern that the tick's parthenogenetic ability and wide variety of host species ...
Hannah M Stanley, Shelby L. Ford, Alyssa N. Snellgrove, K. Hartzer, Emily B. Smith, Inna Krapiunaya, M. Levin   +6 more
semanticscholar   +1 more source

Clinical characteristics of Rocky Mountain spotted fever in the United States: A literature review

Journal of Vector Borne Diseases, 2020
Background and objectives: Rocky Mountain spotted fever (RMSF) is a rapidly progressive and potentially fatal tickborne disease caused by Rickettsia rickettsii.
Riley Jay, Paige A. Armstrong
semanticscholar   +1 more source

Risk Factors for Scrub Typhus, Murine Typhus, and Spotted Fever Seropositivity in Urban Areas, Rural Plains, and Peri-Forest Hill Villages in South India: A Cross-Sectional Study

American Journal of Tropical Medicine and Hygiene, 2020
. Scrub typhus and spotted fever group rickettsioses are thought to be common causes of febrile illness in India, whereas they rarely test for murine typhus.
C. Devamani, W. Schmidt, K. Ariyoshi, Arumugam Anitha, Saravanan Kalaimani, J. Prakash   +5 more
semanticscholar   +1 more source

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