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1987 • 7,186 citations

Polyphasic taxonomy, a consensus approach to bacterial systematics

1996 • 1,506 citations

Report of the ad hoc committee for the re-evaluation of the species definition in bacteriology.

2002 • 1,504 citations

Ticks and Tickborne Bacterial Diseases in Humans: An Emerging Infectious Threat

2001 • 1,154 citations

Rickettsioses as paradigms of new or emerging infectious diseases

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Staining Rickettsiae in Yolk-Sac Cultures

1964 • 654 citations

Transmission cycles, host range, evolution and emergence of arboviral disease

2004 • 635 citations

RickettsiaSpecies InfectingAmblyomma cooperiTicks from an Area in the State of São Paulo, Brazil, Where Brazilian Spotted Fever Is Endemic

2004 • 607 citations

Citrate Synthase Gene Comparison, a New Tool for Phylogenetic Analysis, and Its Application for the Rickettsiae

1997 • 540 citations

Phylogenetic analysis of members of the genus Rickettsia using the gene encoding the outer-membrane protein rOmpB (ompB).

2000 • 538 citations

Laboratory diagnosis of rickettsioses: current approaches to diagnosis of old and new rickettsial diseases

1997 • 482 citations

Rickettsia parkeri:A Newly Recognized Cause of Spotted Fever Rickettsiosis in the United States

2004 • 476 citations

T<scp>HE</scp> A<scp>SCENDANCY OF</scp> A<scp>MBLYOMMA AMERICANUM</scp> <scp>AS A</scp> V<scp>ECTOR OF</scp> P<scp>ATHOGENS</scp> A<scp>FFECTING</scp> H<scp>UMANS IN</scp> T<scp>HE</scp> U<scp>NITED</scp> S<scp>TATES</scp>

2002 • 444 citations

Scrub typhus and tropical rickettsioses

2003 • 442 citations

Differentiation of spotted fever group rickettsiae by sequencing and analysis of restriction fragment length polymorphism of PCR-amplified DNA of the gene encoding the protein rOmpA

1996 • 441 citations

Rickettsial Pathogens and Their Arthropod Vectors

1998 • 430 citations

Rocky Mountain Spotted Fever from an Unexpected Tick Vector in Arizona

2005 • 421 citations

Mechanisms of Evolution in Rickettsia conorii and R. prowazekii

2001 • 409 citations

Rickettsial Infection in Animals and Brazilian Spotted Fever Endemicity

2005 • 408 citations

Guidelines for the diagnosis of tick-borne bacterial diseases in Europe

2004 • 400 citations

Gene Sequence-Based Criteria for Identification of NewRickettsiaIsolates and Description ofRickettsia heilongjiangensissp. nov

2003 • 385 citations

Rickettsia africae,a Tick-Borne Pathogen in Travelers to Sub-Saharan Africa

2001 • 313 citations

Phylogenetic analysis of spotted fever group rickettsiae by study of the outer surface protein rOmpA

1998 • 305 citations

Molecular identification by “suicide PCR” of Yersinia pestis as the agent of Medieval Black Death

2000 • 300 citations

&lt;I&gt;Rickettsia bellii&lt;/I&gt; and &lt;I&gt;Rickettsia amblyommii&lt;/I&gt; in &lt;I&gt;Amblyomma&lt;/I&gt; Ticks from the State of Rondônia, Western Amazon, Brazil

2004 • 297 citations

Guide to Development of Practice Guidelines

2001 • 280 citations

The RickA protein of Rickettsia conorii activates the Arp2/3 complex

2004 • 272 citations

Rickettsial Infection inDermacentor variabilis(Acari: Ixodidae) Inhibits Transovarial Transmission of a SecondRickettsia

2002 • 260 citations

Association of Rickettsia helvetica with chronic perimyocarditis in sudden cardiac death

1999 • 254 citations

Serologic Typing of Rickettsiae of the Spotted Fever Group by Microimmunofluorescence

1978 • 243 citations

Complete Genome Sequence ofRickettsia typhiand Comparison with Sequences of Other Rickettsiae

2004 • 234 citations

African tick bite fever

2003 • 227 citations

Phylogenetic analysis of the genus Rickettsia by 16S rDNA sequencing

1995 • 224 citations

Rickettsia monacensis sp. nov., a Spotted Fever Group Rickettsia, from Ticks ( Ixodes ricinus ) Collected in a European City Park

2002 • 221 citations

Lethal Effect ofRickettsia rickettsiion Its Tick Vector (Dermacentor andersoni)

1999 • 213 citations

Evidence of Infection in Humans with Rickettsia helvetica in Eastern France

2000 • 212 citations

Phylogeny of Rickettsia spp. inferred by comparing sequences of 'gene D', which encodes an intracytoplasmic protein.

2001 • 203 citations

In Vitro Susceptibilities of 27 Rickettsiae to 13 Antimicrobials

1998 • 200 citations

The Past and Present Threat of Rickettsial Diseases to Military Medicine and International Public Health

2002 • 198 citations

Detection of Ehrlichia spp., Anaplasma spp., Rickettsia spp., and Other Eubacteria in Ticks from the Thai-Myanmar Border and Vietnam

2003 • 194 citations

Japanese Spotted Fever: Report of 31 Cases and Review of the Literature

1997 • 192 citations

African Tick Bite Fever in Travelers to Rural Sub-Equatorial Africa

2003 • 189 citations

Spotless Rickettsiosis Caused byRickettsia slovacaand Associated withDermacentorTicks

2002 • 185 citations

Detection of Rickettsia rickettsii DNA in clinical specimens by using polymerase chain reaction technology

1989 • 184 citations

Detection and Identification of Spotted Fever Group Rickettsiae and Ehrlichiae in African Ticks

2001 • 183 citations

Ecological Dynamics of Tick-Borne Zoonoses

1996 • 183 citations

Analysis of Risk Factors for Fatal Rocky Mountain Spotted Fever: Evidence for Superiority of Tetracyclines for Therapy

2001 • 182 citations

MECHANISMS OF TRANSOVARIAL INFECTION OF SPOTTED FEVER RICKETTSIAE IN TICKS

1975 • 180 citations

Natural History of Rickettsia Rickettsii

1986 • 176 citations

Rickettsia peacockii sp. nov., a New Species Infecting Wood Ticks, Dermacentor andersoni, in Western Montana

1997 • 175 citations

Emerging Rickettsioses of the Thai-Myanmar Border1

2003 • 175 citations

Trans-Stadial and Transovarial Development of Disease Agents in Arthropods

1967 • 169 citations

Pathogenic Mechanisms of Diseases Caused byRickettsia

2003 • 165 citations

Rickettsia aeschlimannii sp. nov., a New Spotted Fever Group Rickettsia Associated with Hyalomma marginatum Ticks

1997 • 164 citations

rOmpA is a critical protein for the adhesion ofRickettsia rickettsiito host cells

1998 • 164 citations

Rickettsia africae sp. nov., the Etiological Agent of African Tick Bite Fever

1996 • 162 citations

PREVALENCE OF ANTIBODIES TO SPOTTED FEVER GROUP RICKETTSIAE IN HUMANS AND DOMESTIC ANIMALS IN A BRAZILIAN SPOTTED FEVER-ENDEMIC AREA IN THE STATE OF SÃO PAULO, BRAZIL: SEROLOGIC EVIDENCE FOR INFECTION BY RICKETTSIA RICKETTSII AND ANOTHER SPOTTED FEVER GROUP RICKETTSIA

2004 • 162 citations

Hidden Mortality Attributable to Rocky Mountain Spotted Fever: Immunohistochemical Detection of Fatal, Serologically Unconfirmed Disease

1999 • 162 citations

Evidence of rickettsial spotted fever and ehrlichial infections in a subtropical territory of Jujuy, Argentina.

1999 • 157 citations

Observations on an Infectious Agent from Amblyomma maculatum

1939 • 152 citations

Characterization of Spotted Fever Group Rickettsiae in Flea and Tick Specimens from Northern Peru

2004 • 151 citations

Aneruptive Fever Associated with Antibodies to Rickettsia helvetica in Europe and Thailand

2004 • 148 citations

Proposal to create subspecies of Rickettsia conorii based on multi-locus sequence typing and an emended description of Rickettsia conorii.

2005 • 148 citations

Rickettsia japonica sp. nov., the Etiological Agent of Spotted Fever Group Rickettsiosis in Japan

1992 • 143 citations

Rocky Mountain spotted fever in the United States, 1993-1996.

2000 • 141 citations

Epidemiology of rickettsial diseases

1991 • 136 citations

Identification of Borrelia burgdorferi sensu lato, Anaplasma and Ehrlichia Species, and Spotted Fever Group Rickettsiae in Ticks from Southeastern Europe

2003 • 136 citations

Lymphangitis-Associated Rickettsiosis, a New Rickettsiosis Caused by Rickettsia sibirica mongolotimonae: Seven New Cases and Review of the Literature

2005 • 136 citations

Molecular Evidence for a Spotted Fever GroupRickettsiaSpecies in the TickAmblyomma longirostrein Brazil

2004 • 135 citations

Acute Tick-borne Rickettsiosis Caused byRickettsia sibiricain the Russian Far East

2004 • 132 citations

Mediterranean Spotted Fever in Portugal

2003 • 131 citations

Nonpathogenic rickettsiae in Dermacentor andersoni: a limiting factor for the distribution of Rickettsia rickettsii.

1980 • 130 citations

Genotypic and antigenic identification of two new strains of spotted fever group rickettsiae isolated from China

1993 • 129 citations

Rickettsia parkeriinAmblyomma tristefrom Uruguay

2004 • 126 citations

NewRickettsiaein Ticks Collected in Territories of the Former Soviet Union

1999 • 125 citations

Ixodes ricinus: vector of a hitherto undescribed spotted fever group agent in Switzerland.

1979 • 124 citations

Rickettsia bellii sp. nov.: a Tick-Borne Rickettsia, Widely Distributed in the United States, That Is Distinct from the Spotted Fever and Typhus Biogroups

1983 • 123 citations

Genetic Identification of Rickettsiae Isolated from Ticks in Japan

2002 • 122 citations

Studies on Rocky Mountain spotted Fever.

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Selfish DNA in Protein-Coding Genes of Rickettsia

2000 • 118 citations

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1993 • 117 citations

ROCKY MOUNTAIN SPOTTED FEVER

1949 • 117 citations

Mediterranean Spotted Fever: A Cooperative Study of 227 Cases

1985 • 116 citations

Outbreak ofRickettsia africaeInfections in Participants of an Adventure Race in South Africa

1998 • 114 citations

The First Report of the Rickettsial Infections of Spotted Fever Group in Japan; Three Clinical Cases

1985 • 114 citations

Identification and Characterization of a Phospholipase D–Superfamily Gene in Rickettsiae

2003 • 114 citations

Ticks (Acari: Ixodidae) on wild animals from the Porto-Primavera Hydroelectric power station area, Brazil

2002 • 114 citations

Spotted Fever in Brazil

1939 • 113 citations

Transmission ofRickettsia massiliaein the tick,Rhipicephalus turanicus

2005 • 112 citations

TICK TYPHUS IN NORTH QUEENSLAND

1946 • 112 citations

Confirmation that Rickettsia helvetica sp. nov. Is a Distinct Species of the Spotted Fever Group of Rickettsiae

1993 • 111 citations

Rhipicephalus ticks infected with Rickettsia and Coxiella in Southern Switzerland (Canton Ticino)

2002 • 107 citations

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2004 • 107 citations

Some Aspects of Rocky Mountain Spotted Fever as Shown by Recent Investigations

1991 • 106 citations

Seroepidemiology of Infections Due to Spotted Fever Group Rickettsiae and Ehrlichia Species in Military Personnel Exposed in Areas of the United States where Such Infections Are Endemic

1995 • 106 citations

Rickettsia helvetica in Ixodes ricinus Ticks in Sweden

1999 • 105 citations

Rocky Mountain Spotted Fever

2003 • 103 citations

Epidemiology and Ecology of Rickettsial Diseases in the People's Republic of China

1987 • 101 citations

Presence ofRickettsia helveticain Granulomatous Tissue from Patients with Sarcoidosis

2002 • 99 citations

Suicide PCR on Skin Biopsy Specimens for Diagnosis of Rickettsioses

2004 • 97 citations

Short report: concurrent Rocky Mountain spotted fever in a dog and its owner.

2002 • 96 citations

Rickettsia honei sp. nov., the aetiological agent of Flinders Island spotted fever in Australia

1998 • 95 citations

Use of Highly Variable Intergenic Spacer Sequences for Multispacer Typing ofRickettsia conoriiStrains

2004 • 94 citations

Rocky Mountain Spotted Fever in the United States, 1997–2002

2006 • 94 citations

Bartonella quintanain a 4000‐Year‐Old Human Tooth

2005 • 87 citations

Phylogenetic Placement of Rickettsiae from the TicksAmblyomma americanumandIxodes scapularis

1998 • 86 citations

Comparison of serologic typing, sodium dodecyl sulfate-polyacrylamide gel electrophoresis protein analysis, and genetic restriction fragment length polymorphism analysis for identification of rickettsiae: characterization of two new rickettsial strains

1992 • 86 citations

DETECTION OF RICKETTSIA AFRICAE IN PATIENTS AND TICKS ALONG THE COASTAL REGION OF CAMEROON

2004 • 85 citations

Spotted fever in Brazil: a seroepidemiological study and description of clinical cases in an endemic area in the state of São Paulo.

2001 • 84 citations

Identification of Rickettsiae from Ticks Collected in the Central African Republic Using the Polymerase Chain Reaction

1994 • 84 citations

Isolation of a Spotted Fever Group Rickettsia, Rickettsia peacockii , in a Rocky Mountain Wood Tick, Dermacentor andersoni , Cell Line

2001 • 84 citations

Serological evidence for the continued presence of human rickettsioses in southern India

2001 • 84 citations

Relationships between the Rhipicephalus sanguineus complex ecology and mediterranean spotted fever epidemiology in France

1990 • 82 citations

Spotted Fever Group Rickettsial Infections in Australia

1991 • 82 citations

Rocky Mountain Spotted Fever: Infectivity of Fasting and Recently Fed Ticks

1923 • 82 citations

A Focus of Rocky Mountain Spotted Fever within New York City

1988 • 81 citations

‘Candidatus Rickettsia tarasevichiae’ in Ixodes persulcatus Ticks Collected in Russia

2003 • 80 citations

A Checklist of Ticks of Thailand (Acari: Metastigmata: Ixodoidea)1

1983 • 80 citations

Experimental Infection of Lone Star Ticks,Amblyomma americanum(L.), withRickettsia parkeriand Exposure of Guinea Pigs to the Agent

2003 • 80 citations

Genetic Diversity of Bacterial Agents Detected in Ticks Removed from Asymptomatic Patients in Northeastern Italy

2003 • 79 citations

Rickettsial phospholipase A2 as a pathogenic mechanism in a model of cell injury by typhus and spotted fever group rickettsiae.

2001 • 79 citations

TICK-BORNE RICKETTSIAE OF THE SPOTTED FEVER GROUP IN WEST PAKISTAN

1973 • 79 citations

Some lessons fromRickettsiagenomics

2004 • 79 citations

Flinders Island spotted fever: a newly recognised endemic focus of tick typhus in Bass Strait: Part 1. Clinical and epidemiological features

1991 • 79 citations

Acute Spotted Fever Rickettsiosis among Febrile Patients, Cameroon

2004 • 78 citations

Natural Infection of the Tick, Amblyomma Cajennense, with Rickettsia Rickettsii in Panama

1953 • 77 citations

Sequence and Expression Analysis of the ompA Gene of Rickettsia peacockii , an Endosymbiont of the Rocky Mountain Wood Tick, Dermacentor andersoni

2004 • 77 citations

Rickettsioses in Australia

2009 • 76 citations

Brazilian Spotted Fever in Espirito Santo, Brazil: Description of a Focus of Infection in a New Endemic Region

1993 • 76 citations

First Detection of Spotted Fever Group Rickettsiae inIxodes ricinusfrom Italy

2002 • 76 citations

Ecology of Rocky Mountain Spotted Fever

1967 • 75 citations

Tick-borne rickettiosis in Guadeloupe, the French West Indies: isolation of Rickettsia africae from Amblyomma variegatum ticks and serosurvey in humans, cattle, and goats.

1999 • 75 citations

Spotted Fever Group Rickettsiae in the Lone Star Tick, Amblyomma Americanum (Acari: Ixodidae)1

1986 • 75 citations

THE TRANSMISSION OF ROCKY MOUNTAIN SPOTTED FEVER BY THE BITE OF THE WOOD-TICK (DERMACENTOR OCCIDENTALIS).

1906 • 74 citations

RICKETTSIA CANADA: A NEW MEMBER OF THE TYPHUS GROUP OF RICKETTSIAE ISOLATED FROM HAEMAPHYSALIS LEPORISPALUSTRIS TICKS IN CANADA

1967 • 72 citations

Book: The Encyclopedia of Arthropod-Transmitted Infections

2002 • 71 citations

Phenotypic and genotypic characterization of spotted fever group Rickettsiae isolated from Catalan Rhipicephalus sanguineus ticks

1996 • 71 citations

Antibodies Reactive to Rickettsia rickettsii Among Children Living in the Southeast and South Central Regions of the United States

2003 • 71 citations

A systematic study of the Australian species of the genus Ixodes (Acarina: Ixodidae)

1960 • 71 citations

Polymerase chain reaction-based diagnosis of Mediterranean spotted fever in serum and tissue samples.

2002 • 71 citations

Nonpathogenic Rickettsias Related to the Spotted Fever Group Isolated from Ticks, Dermacentor Variabilis and Dermacentor Andersoni from Eastern Montana

1963 • 70 citations

Rickettsia aeschlimannii in Hyalomma ticks from Corsica

2004 • 70 citations

Emerging rickettsial infections in Sri Lanka: the pattern in the hilly Central Province

2003 • 70 citations

THE ROCKY MOUNTAIN SPOTTED FEVER GROUP OF RICKETTSIAS.

1965 • 70 citations

Clarithromycin Versus Azithromycin in the Treatment of Mediterranean Spotted Fever in Children: A Randomized Controlled Trial

2002 • 70 citations

A Spotted Fever in Tobia, Colombia

1937 • 70 citations

Isolation of a Spotted Fever Group Rickettsia from a Patient with Febrile Exanthematous Illness in Shikoku, Japan

1986 • 70 citations

Efficacy and Safety of Clarithromycin as Treatment for Mediterranean Spotted Fever in Children: A Randomized Controlled Trial

2001 • 69 citations

Serotypes of Tick-Borne Spotted Fever Group Rickettsiae from Western California

1981 • 68 citations

Clinical and Laboratory Characteristics of 144 Patients with Mediterranean Spotted Fever

2003 • 68 citations

Spotted-Fever GroupRickettsiainDermacentor variabilis, Maryland

2004 • 68 citations

Isolation of spotted fever group rickettsias from triturated ticks using a modification of the centrifugation-shell vial technique

1991 • 67 citations

Rickettsia mongolotimonae: A Rare Pathogen in France

2000 • 67 citations

First Isolation of Rickettsia helvetica from Ixodes ricinus Ticks in France

1998 • 66 citations

Genotypic evaluation of rickettsial isolates recovered from various species of ticks in Portugal

1995 • 66 citations

Detection of a Rickettsia Closely Related to Rickettsia aeschlimannii , “ Rickettsia heilongjiangensis ,” Rickettsia sp. Strain RpA4, and Ehrlichia muris in Ticks Collected in Russia and Kazakhstan

2004 • 66 citations

Doxycycline use for rickettsial disease in pediatric patients

2000 • 66 citations

Characterization of a New Spotted Fever Group Rickettsia Detected in &lt;I&gt;Ixodes ricinus&lt;/I&gt; (Acari: Ixodidae&lt;I&gt;)&lt;/I&gt; Collected in Slovakia

2000 • 66 citations

Isolation and Identification of a Rickettsial Strain Related to Rickettsia massiliae in Greek Ticks

1994 • 66 citations

Proteinic and genomic identification of spotted fever group rickettsiae isolated in the former USSR

1993 • 64 citations

Dynamics of Rickettsia–tick interactions: identification and characterization of differentially expressed mRNAs in uninfected and infected Dermacentor variabilis

2003 • 64 citations

Assessing the magnitude of fatal Rocky Mountain spotted fever in the United States: comparison of two national data sources.

2002 • 64 citations

Propagation of the tick Amblyomma variegatum in the Caribbean

1995 • 63 citations

Mediterranean spotted fever in Marseille: Descriptive epidemiology and the influence of climatic factors

1992 • 63 citations

Prevalence of Rickettsia-Like Organisms and Spotted Fever Group Rickettsiae in Ticks (Acari: Ixodidae) from Zimbabwe

1995 • 62 citations

Epidemic Typhus Meningitis in the Southwestern United States

2001 • 62 citations

Report of Eight Cases of Fatal and Severe Mediterranean Spotted Fever in Portugal

2003 • 62 citations

Rocky Mountain Spotted Fever

1933 • 62 citations

Genotypic identification of an undescribed spotted fever group rickettsia in Ixodes ricinus from southwestern Spain.

1998 • 62 citations

Short report: Thai tick typhus, Rickettsia honei, and a unique rickettsia detected in Ixodes granulatus (Ixodidae: Acari) from Thailand.

2001 • 61 citations

Genetic Classification of “Rickettsia heilongjiangii” and “Rickettsia hulinii,” Two Chinese Spotted Fever Group Rickettsiae

2000 • 61 citations

Transmission of a Spotted Fever Group Rickettsia by Amblyomma hebraeum (Acari: Ixodidae)

1991 • 61 citations

Note: Rickettsia slovaca sp. nov., a member of the spotted fever group rickettsiae

1998 • 61 citations

Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil

2003 • 60 citations

Rickettsia mongolotimonaeInfection in South Africa

2004 • 59 citations

Tick-borne diseases in the United States: Rocky Mountain spotted fever and Colorado tick fever. A review.

1977 • 58 citations

Evaluation of ciprofloxacin and doxycycline in the treatment of mediterranean spotted fever

1992 • 58 citations

The occurrence of eschars in Rocky Mountain spotted fever

1981 • 57 citations

Rocky mountain spotted fever

2002 • 57 citations

Passive surveillance as an instrument to identify risk factors for fatal Rocky Mountain spotted fever: is there more to learn?

2002 • 54 citations

Detection of a Spotted Fever Group Rickettsia in Amblyomma cajennense (Acari: Ixodidae) in South Texas

1998 • 54 citations

A new pathogenic spotted fever group rickettsia from Africa.

1994 • 54 citations

Identification of a Unique Spotted Fever Group Rickettsia from Humans in Japan

1989 • 54 citations

Ultrastructure of Rickettsia rhipicephali, a new member of the spotted fever group rickettsiae in tissues of the host vector Rhipicephalus sanguineus

1979 • 53 citations

Antigenic Diversity of Rickettsia Conorii

1992 • 53 citations

Rickettsioses in Australia: Isolation of Rickettsia Tsutsugamushi and R. Australis from naturally infected arthropods

1974 • 53 citations

Randomized trial of doxycycline versus josamycin for Mediterranean spotted fever

1990 • 52 citations

Astrakhan Fever Rickettsiae: Antigenic and Genotypic Analysis of Isolates Obtained from Human and Rhipicephalus pumilio Ticks

1994 • 52 citations

SPOTTED FEVER GROUP RICKETTSIAE IN TICKS FROM THE MASAI MARA REGION OF KENYA

2003 • 51 citations

Serological evidence for the continued presence of human rickettsioses in southern India

2001 • 51 citations

Natural history of tick-borne spotted fever in the USA. Susceptibility of small mammals to virulent Rickettsia rickettsii.

1966 • 50 citations

Some Epidemiological Considerations in Rocky Mountain Spotted Fever

1959 • 50 citations

EVIDENCE OF RICKETTSIAL AND LEPTOSPIRA INFECTIONS IN ANDEAN NORTHERN PERU

2004 • 50 citations

Serologic Evidence of Rickettsia canada Infection of Man

1970 • 49 citations

Detection and Identification of Spotted Fever Group Rickettsiae in Dermacentor Ticks from Russia and Central Kazakhstan

2001 • 49 citations

Molecular Evidence for Novel Tick-Associated Spotted Fever Group Rickettsiae from Thailand

2003 • 48 citations

Protein interaction mapping on a functional shotgun sequence of Rickettsia sibirica

2004 • 48 citations

Fatal Israeli Spotted Fever in Children

1993 • 48 citations

Rickettsia honei

2003 • 47 citations

Spotted fever group rickettsial infection in South-Eastern Australia: Isolation of rickettsiae

1993 • 47 citations

Spotted Fever in Panama; Isolation of the Etiologic Agent from a Fatal Case 1

1950 • 47 citations

Adherence to and Invasion of Vero Cells by Recombinant Escherichia coli Expressing the Outer Membrane Protein rOmpB of Rickettsia japonica

2003 • 46 citations

Detection and Identification of Spotted Fever Group Rickettsiae in Ticks Collected in Southern Croatia

2002 • 46 citations

Characterization of a New Spotted Fever Group Rickettsia Detected in Ixodes ricinus (Acari: Ixodidae) Collected in Slovakia

2000 • 46 citations

Clinical study of Japanese spotted fever and its aggravating factors

2003 • 46 citations

Molecular Characterization of a Novel Rickettsia Species from Ixodes scapularis in Texas

1998 • 46 citations

Comparative, Randomized Trial of One-Day Doxycycline Versus 10-Day Tetracycline Therapy for Mediterranean Spotted Fever

1987 • 46 citations

Transcriptional response of Rickettsia conorii exposed to temperature variation and stress starvation

2004 • 46 citations

Isolation of Bhanja Virus from Haemaphysalis Ticks in Italy

1970 • 45 citations

Rocky Mountain Spotted Fever in the Eastern United States

1969 • 45 citations

Comparative Antigenic Analysis of Spotted Fever Group Rickettsiae from Israel and other Closely Related Organisms

1995 • 45 citations

Plaque Formation in Tissue Cultures by Rickettsia rickettsi Isolated Directly from Whole Blood and Tick Hemolymph

1972 • 44 citations

DNA Typing of Rickettsiae in Naturally Infected Ticks Using a Polymerase Chain Reaction/Restriction Fragment Length Polymorphism System

1994 • 44 citations

Physician Knowledge of the Diagnosis and Management of Rocky Mountain Spotted Fever

2003 • 44 citations

Susceptibility and reservoir potential of the dog to spotted fever-group rickettsiae.

1984 • 43 citations

Fatal Spotted Fever Rickettsiosis, Kenya

2004 • 43 citations

First Isolation and Identification of Rickettsia conorii from Ticks Collected in the Region of Fokida in Central Greece

2003 • 43 citations

Serological Evidence of Subclinical Rocky Mountain Spotted Fever Infections in Texas

1985 • 43 citations

Serosurvey among Mediterranean spotted fever patients of a new spotted fever group rickettsial strain (Bar29)

2002 • 42 citations

Zoonotic Potential (Rocky Mountain Spotted Fever and Tularemia) in the Tennessee Valley Region

1974 • 42 citations

Clinical Features and Epidemiology of Tick Typhus in Travelers

2006 • 42 citations

Characterization and comparison of Australian human spotted fever group rickettsiae

1992 • 42 citations

Rickettsia conorii isolated fromRhipicephalus sanguineus introduced into Switzerland on a pet dog

1984 • 42 citations

Fort Chaffee Revisited: The Epidemiology of Tick-Borne Rickettsial and Ehrlichial Diseases at a Natural Focus

2001 • 41 citations

Fieber nach Zeckenstich: Klinikund Diagnostik von akuten Zeckenstich-assoziierten Infektionskrankheitenin der Nordostschweiz

2003 • 41 citations

IMPORTED SPOTTED FEVER RICKETTSIOSES IN UNITED STATES TRAVELERS RETURNING FROM AFRICA: A SUMMARY OF CASES CONFIRMED BY LABORATORY TESTING AT THE CENTERS FOR DISEASE CONTROL AND PREVENTION, 1999–2002

2004 • 41 citations

The Distribution and Dynamics of Rickettsia in the Tick Population of Ohio

1990 • 40 citations

Rickettsiosis cutáneo ganglionar por Rickettsia conorii en el Uruguay

1990 • 40 citations

Rickettsial infections in South India - how to spot the spotted fever.

2001 • 40 citations

A search for the epidemic typhus agent in Ethiopian ticks.

1973 • 39 citations

Detection of Astrakhan Fever Rickettsia from Ticks in Kosovo

2003 • 38 citations

Genetic variation in Australian spotted fever group rickettsiae

1996 • 36 citations

Studies of a ?new? rickettsiosis ?Astrakhan? spotted fever

1991 • 36 citations

Outbreak of African Tick-Bite Fever in Six Italian Tourists Returning from South Africa

2002 • 36 citations

Isolation of a Rickettsia Related to Astrakhan Fever Rickettsia from a Patient in Chad

2003 • 36 citations

Rocky Mountain spotted fever in an endemic area in Minas Gerais, Brazil

1994 • 35 citations

The Occurrence of Coxiella Burnetii, Brucella, and other Pathogens among Fauna of the Great Salt Lake Desert in Utah *

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[Malignant form of Mediterranean boutonneuse fever. 6 cases].

1983 • 34 citations

NORTH QUEENSLAND TICK TYPHUS: STUDIES OF THE ÆTIOLOGICAL AGENT AND ITS RELATION TO OTHER RICKETTSIAL DISEASES

1946 • 33 citations

Israeli rickettsial spotted fever in children. A review of 54 cases.

1987 • 33 citations

Japanese Spotted Fever Involving the Central Nervous System: Two Case Reports and a Literature Review

2002 • 33 citations

Seven Years' Experience of Isolation ofRickettsiaspp. from Clinical Specimens Using the Shell Vial Cell Culture Assay

2003 • 33 citations

Ultrastructural and Genetic Evidence of a Reptilian Tick, Aponomma hydrosauri, as a Host of Rickettsia honei in Australia

2003 • 32 citations

Fulminant Japanese spotted fever definitively diagnosed by the polymerase chain reaction method

2002 • 32 citations

Seroepidemiology of Rickettsia africae Infection in Norwegian Travellers to Rural Africa

2002 • 32 citations

Spotted Fever Group Rickettsiosis and Vectors in Kanagawa Prefecture

1996 • 31 citations

Three Weil-Felix reaction OX2 positive cases with skin eruptions and high fever

1984 • 31 citations

Isolation of a Spotted Fever Group Rickettsia from the Pacific Coast Tick, Ixodes Pacificus, in Oregon

1976 • 30 citations

Spotted fever in East Gippsland, Victoria: a previously unrecognised focus of rickettsial infection

1991 • 30 citations

Azithromycin vs. Doxycycline for Mediterranean Spotted Fever

1996 • 30 citations

Rickettsia sibirica infection in members of scientific expeditions to northern Asia

2003 • 30 citations

Genetic Relationships among the Members of the Family Rickettsiaceae As Shown by DNA Restriction Fragment Polymorphism Analysis

1990 • 29 citations

Boutonneuse fever in Portugal: 1995–2000. Data of a state laboratory

2002 • 29 citations

Rocky Mountain Spotted Fever: Spontaneous Infection in the Tick Amblyomma americanum

1943 • 29 citations

First isolation of Rickettsia conorii from humans in the Trakya (European) region of Turkey

2004 • 29 citations

Febre maculosa: isolamento de Rickettsia em amostra de biópsia de pele

1992 • 28 citations

Identification of spotted fever group rickettsiae using polymerase chain reaction and restriction-endonuclease length polymorphism analysis.

1992 • 28 citations

Rickettsiology: Present and Future Directions

2003 • 28 citations

Ecology of tick vectors of American spotted fever.

1969 • 28 citations

Prevalence of Antibodies to Spotted Fever Group Rickettsiae in Dogs from Southeastern Australia

1991 • 28 citations

A Homeless Man with Maculopapular Rash Who Died in Marseille, France

2004 • 28 citations

Experimental Rocky Mountain Spotted Fever and Endemic Typhus Treated with Prontosil or Sulfapyridine

1939 • 27 citations

Rickettsia rickettsii and Rickettsia montana from Ixodid Ticks in Connecticut

1986 • 26 citations

A SURVEY FOR SPOTTED FEVER GROUP RICKETTSIAE AND EHRLICHIAE IN AMBLYOMMA VARIEGATUM FROM ST. KITTS AND NEVIS

2003 • 25 citations

Rickettsiae and Rickettsial Diseases

1968 • 25 citations

Effects of Various Suspending Media on Plaque Formation by Rickettsiae in Tissue Culture

1972 • 25 citations

Studies on Immunity in Rocky Mountain Spotted Fever. First Communication

1908 • 25 citations

Genomic and proteinic characterization of strain S, a rickettsia isolated from Rhipicephalus sanguineus ticks in Armenia

1995 • 24 citations

Acute Febrile Cerebrovasculitis

1989 • 23 citations

Rickettsiosis of the Genus Rickettsia in South America

2003 • 23 citations

Spotted Fever Group Rickettsiae in Dermacentor variabilis from Cape Cod, Massachusetts

1980 • 23 citations

A review of the evidence in retrospect for a rickettsial etiology in Bullis fever.

1975 • 22 citations

On a disease in man following tick-bites and occurring in Lourenço Marques

1911 • 22 citations

Rickettsiosis Caused by Rickettsia conorii in Uruguay

2003 • 22 citations

Cutaneous Eruptions in Indian Tick Typhus

1991 • 21 citations

Japanese spotted fever associated with multiorgan failure

2001 • 20 citations

First detection ofRickettsia africaeon Martinique, in the French West Indies

2003 • 20 citations

BULLIS FEVER (Lone Star Fever—Tick Fever)

1943 • 19 citations

Les Hyalomma (Acariens, Ixodidæ) de France

1959 • 19 citations

Immunofluorescence Test with Rickettsia montana for Serologic Diagnosis of Rickettsial Infection of the Spotted Fever Group in Shikoku, Japan

1986 • 19 citations

Biological and Genetic Characterization of Rickettsia sibirica Strains Isolated in the Endemic Area of the North Asian Tick Typhus

1996 • 18 citations

[Tick bite fever].

1987 • 18 citations

Tick Paralysis by Ixodes holocyclus in a Japanese Traveler Returning from Australia Associated with Rickettsia helvetica Infection

2006 • 17 citations

The Recovery of Strains of Rocky Mountain Spotted Fever and Tularemia from Ticks of the Eastern United States

1952 • 16 citations

Experimental Transmission of Rocky Mountain Spotted Fever by Means of the Tick: Preliminary Note

1906 • 16 citations

Epidemiological and Clinical Differences among Rickettsia slovaca Rickettsiosis and Other Tick‐Borne Diseases in Spain

2003 • 16 citations

Isolation of spotted fever group and Wolbachia-like agents from field-collected materials by means of plaque formation in mammalian and mosquito cells.

1975 • 15 citations

THE ISOLATION OF A RICKETTSIA RESEMBLING RICKETTSIA AUSTRALIS IN SOUTH‐EAST QUEENSLAND

1955 • 15 citations

Evaluation of Clinical Diagnosis Scores for Boutonneuse Fever

2003 • 15 citations

Rocky Mountain Spotted Fever: A Study of the Relationship between the Presence of Rickettsia-like Organisms in Tick Smears and the Infectiveness of the Same Ticks

1926 • 15 citations

Experimental Transmission of the Spotted Fevers of the United States, Colombia, and Brazil by the Argasid Tick Ornithodoros parkeri

1943 • 15 citations

ECOLOGY OF ROCKY MOUNTAIN SPOTTED FEVER IN WESTERN MONTANA

1962 • 14 citations

Paratyphoid Fevers in South Africa

1911 • 14 citations

Prospective Study on Symptomatic versus Asymptomatic Infections and Serological Response to Spotted Fever Group Rickettsiae in Two Rural Sites in the Negev (Southern Israel)a

1990 • 14 citations

A Patient with Japanese Spotted Fever Complicated by Meningoencephalitis

2001 • 13 citations

Rocky Mountain spotted fever.

1947 • 11 citations

Genetic Analysis of Isolates of the Spotted Fever Group of Rickettsiae Belonging to the R. conorii Complex^a

1998 • 11 citations

Rocky Mountain spotted fever in Palestine.

1949 • 11 citations

South African typhus

1938 • 11 citations

Fighting Spotted Fever in the Rockies

1950 • 11 citations

Rickettsia aeschlimannii: A New Pathogenic Spotted Fever Group Rickettsia,

2002 • 11 citations

Glucose-6-phosphate dehydrogenase deficiency: possible determinant for a fulminant course of Israeli spotted fever.

2000 • 11 citations

A CASE OF QUEENSLAND TICK TYPHUS

1955 • 10 citations

[Rickettsia africae, the agent of African tick-bite fever: an emerging pathogen in the West Indies and Reunion Island (Indian Ocean)].

2004 • 10 citations

Demographic and Epidemiologic Features of Mediterranean Spotted Fever Cases in the Region of Split, Croatia

2003 • 10 citations

Which Spotted Fever Group Rickettsia Are Present in Dermacentor marginatus Ticks in Spain?

2003 • 10 citations

A Follow‐up Study on Newly Recognized Spotted Fever Group Rickettsiae in Ticks Collected in Southern Croatia

2003 • 8 citations

Serologic response to rickettsial antigens in patients with Astrakhan fever

1995 • 7 citations

Photo quiz. Rocky Mountain Spotted Fever.

1995 • 7 citations

Field Investigations Pertinent to Bullis Fever. Preliminary Report on the Species of Ticks and Vertebrates occurring at Camp Bullis, Texas.

1945 • 7 citations

[Malignant form of mediterranean boutonneuse fever].

1984 • 7 citations

Laboratory Report on a Clinical Syndrome Referred to as “Bullis Fever” 1,2

1943 • 7 citations

Der Norske nord-hass-expedition, 1876–1878.

1883 • 6 citations

Antigenic relations of Rickettsia prowazekii and Rickettsia canada, established in the study of sera of patients with Brill's disease.

1977 • 6 citations

Report on a Case of Balantidiasis 1

1945 • 6 citations

Protective Value of Convalescent Sera of Sao Paulo Exanthematic Typhus against Virus of Rocky Mountain Spotted Fever

1933 • 6 citations

Detection of spotted fever group rickettsiae in ticks and rodents by polymerase chain reaction technique in People's Republic of China.

1995 • 6 citations

A Homeless Man with Maculopapular Rash Who Died in Marseille, France

2004 • 5 citations

Investigations on Rickettsial Diseases in Texas. Part 4. Experimental Study of Bullis Fever.

1943 • 5 citations

A TEXTBOOK OF BACTERIOLOGY. The Application of Bacteriology and Immunology to the Etiology, Diagnosis, Specific Therapy and Prevention of Infectious Diseases for Students and Practitioners of Medicine and Public Health

1940 • 5 citations

[1st case of Rocky Mountain fever in Costa Rica. Central America].

1979 • 5 citations

African tick-bite fever among international travelers--Oregon, 1998.

1998 • 5 citations

Q fever immunity in man.

1967 • 4 citations

Photo Quiz

1995 • 3 citations

A Comparative Serological Study of Tick-Borne Rickettsiosis of North Asia and Tsutsugamushi Fever.

1966 • 2 citations

ERYTHEMA INFECTIOSUM – A RASH TO REMEMBER

1965 • 2 citations

[Therapeutic experience in the treatment of Rickettsia conorii infections with a single dose of doxycycline].

1981 • 2 citations

Experimental transmission of Rocky Mountain spotted fever by means of the tick. 1906.

2006 • 2 citations