Results 211 to 220 of about 13,991 (247)
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Rickettsioses of the Spotted Fever Group around the World
The Journal of Dermatology, 1989AbstractSpotted fever group rickettsioses comprise Rocky Mountain spotted fever (Rickettsia rickettsii), boutonneuse fever (R. conorii), North Asian tick typhus (R. sibirica), Queensland tick typhus (R. australis), rickettsialpox (R. akari), and Oriental spotted fever (R. japonica).
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Update on Spotted Fever Group Rickettsiae in South Africa
Vector-Borne and Zoonotic Diseases, 2004Until very recently, Mediterranean spotted fever caused by Rickettsia conorii was the only spotted fever group (SFG) rickettsioses recognized in southern Africa. However, increasing medical awareness of tick-borne infections, together with the introduction of improved isolation methods and the availability of molecular techniques, have led to the ...
Anne-Marié, Pretorius +2 more
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Antibodies to spotted fever group rickettsiae in dogs in Croatia
European Journal of Epidemiology, 1995The prevalence of IgG antibodies to spotted fever group rickettsiae was studied by the indirect immunofluorescent antibody assay in a sample of 194 canine sera from different parts of Croatia. Dogs (n = 141) from urban and suburban-semirural environs from the middle part of the eastern coast of Adriatic sea, and dogs (n = 53) from Zagreb, the capital ...
V, Punda-Polić +4 more
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Spotted Fever Group Rickettsia in Yunnan Province, China
Vector-Borne and Zoonotic Diseases, 2012Information about spotted fever group (SFG) rickettsiae in southern China remains sparse. A specific and sensitive real-time PCR assay for detection of SFG rickettsiae was established and used to detect the prevalence rate of SFG rickettsiae in Yunnan Province, China.
Chang-wei, Liang +7 more
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First Cases of Spotted Fever Group Rickettsiosis in Thailand
The American Journal of Tropical Medicine and Hygiene, 1994The first three cases of spotted fever group rickettsiosis from Thailand are reported. The patients presented with fever, headache, lymphadenopathy, and petechial maculopapular rash. One patient also had an eschar and overt evidence of confusion.
T, Sirisanthana +5 more
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Comparative electrophoresis of spotted fever group rickettsial proteins
Life Sciences, 1978Abstract Electrophoretic analyses were performed to establish the polypeptide profiles of the following tick-borne typhus rickettsiae of the spotted fever group: Rickettsia rickettsii (Sheila Smith, Bitter Root, Iowa and R strains), R. sibirica , R. conorii , R. parkeri , R. australis and R. akari .
C E, Pedersen, V D, Walters
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[Rickettsioses of the spotted fever-group].
Der Internist, 2004Rickettsioses are among the most frequent causes of febrile diseases in travelers, as shown in several studies in the last years. Furthermore, since 1991, with the introduction of new testing methods, 8 new Rickettsia species (or new diseases) have been described.
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A Toxic Substance Associated with the Rickettsias of the Spotted Fever Group
The Journal of Immunology, 1953Summary A toxic substance was demonstrated in yolk sac cultures of ten strains of the spotted fever rickettsia which were selected according to their virulence for guinea pigs, tick-host species, or etiologic relationship to the various diseases of the spotted fever group. These strains included the agents of Rocky Mountain spotted fever,
E J, BELL, E G, PICKENS
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American journal of epidemiology, 1976
During epidemiologic studies of Rocky Mountain Spotted Fever in Mississippi in 1973, dogs were surveyed for antibodies tp spotted fever group antigens and for tick parasites infected with rickettsiae of the spotted fever group. Fifty-three (46%) of 116 serum samples had complement-fixing antibody titers greater than or equal to 1:8 as compared to only ...
D J, Sexton +3 more
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During epidemiologic studies of Rocky Mountain Spotted Fever in Mississippi in 1973, dogs were surveyed for antibodies tp spotted fever group antigens and for tick parasites infected with rickettsiae of the spotted fever group. Fifty-three (46%) of 116 serum samples had complement-fixing antibody titers greater than or equal to 1:8 as compared to only ...
D J, Sexton +3 more
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Increasing Incidence of Spotted Fever Group Rickettsioses in the United States, 2010–2018
Vector-Borne and Zoonotic Diseases, 2022Hsiao-Hsuan Wang
exaly