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William L. Nicholson

D-Index & Metrics

Biology and Biochemistry

D-Index
55
Citations
11590
World Ranking
15002
National Ranking
6278

William L. Nicholson publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where William L. Nicholson sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 120 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

William L. Nicholson D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where William L. Nicholson sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 55 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

William L. Nicholson is affiliated with the Centers for Disease Control and Prevention in the United States. Their research primarily spans the fields of Medicine and Immunology and Microbiology, with a specific focus on Infectious Diseases and Parasitology. Additional areas of study include Public Health, Environmental and Occupational Health, Ecology, Evolution, Behavior and Systematics, and Insect Science.

The scientist's work extensively covers topics related to Viral Infections and Vectors, Vector-borne Infectious Diseases, and Mosquito-borne Diseases and Control. Other notable themes include Vector-Borne Animal Diseases, Insect and Pesticide Research, Malaria Research and Control, and Venomous Animal Envenomation and Studies.

William L. Nicholson has contributed to multiple publications across a variety of academic journals. Frequent publication venues include the Journal of Medical Entomology, Emerging infectious diseases, American Journal of Tropical Medicine and Hygiene, Ticks and Tick-borne Diseases, and Open Forum Infectious Diseases.

Recent papers authored or co-authored by Nicholson include:

  • First detection of human pathogenic variant of Anaplasma phagocytophilum in field-collected Haemaphysalis longicornis, Pennsylvania, USA (2021), published in Zoonoses and Public Health
  • Established Population of the Gulf Coast Tick, Amblyomma maculatum (Acari: Ixodidae), Infected with Rickettsia parkeri (Rickettsiales: Rickettsiaceae), in Connecticut (2021), published in Journal of Medical Entomology
  • Investigating the etiology of acute febrile illness: a prospective clinic-based study in Uganda (2023), published in BMC Infectious Diseases
  • Incidence Estimates of Acute Q Fever and Spotted Fever Group Rickettsioses, Kilimanjaro, Tanzania, from 2007 to 2008 and from 2012 to 2014 (2021), published in American Journal of Tropical Medicine and Hygiene
  • A mutation associated with resistance to synthetic pyrethroids is widespread in US populations of the tropical lineage of Rhipicephalus sanguineus s.l (2024), published in Ticks and Tick-borne Diseases

Nicholson frequently collaborates with researchers including Bryan N. Ayres, Matthew P. Rubach, John A. Crump, Gilbert J. Kersh, and Jamie L. Perniciaro. These collaborations reflect active engagement in multidisciplinary teams focused on infectious and vector-borne disease research.

Best Publications

  • Diagnosis and Management of Tickborne Rickettsial Diseases: Rocky Mountain Spotted Fever and Other Spotted Fever Group Rickettsioses, Ehrlichioses, and Anaplasmosis - United States.

    Holly M. Biggs;Casey Barton Behravesh;Kristy K. Bradley;F. Scott Dahlgren

  • Nested PCR Assay for Detection of Granulocytic Ehrlichiae

    Robert F. Massung;Kim Slater;Jessica H. Owens;William L. Nicholson

  • Rocky Mountain spotted fever from an unexpected tick vector in Arizona.

    Linda J. Demma;Marc S. Traeger;William L. Nicholson;Christopher D. Paddock

  • Diagnosis and management of tickborne rickettsial diseases: Rocky Mountain spotted fever, ehrlichioses, and anaplasmosis--United States: a practical guide for physicians and other health-care and public health professionals.

    Alice S. Chapman;Johan S. Bakken;Scott M. Folk;Christopher D. Paddock

  • Etiology of severe non-malaria febrile illness in Northern Tanzania: a prospective cohort study.

    John A. Crump;Anne B. Morrissey;William L. Nicholson;Robert F. Massung

  • PCR amplification and comparison of nucleotide sequences from the groESL heat shock operon of Ehrlichia species.

    John W. Sumner;William L. Nicholson;Robert F. Massung

  • The increasing recognition of rickettsial pathogens in dogs and people

    William L. Nicholson;Kelly E. Allen;Jennifer H. McQuiston;Edward B. Breitschwerdt

  • Emergence of a New Pathogenic Ehrlichia Species, Wisconsin and Minnesota, 2009

    Bobbi S. Pritt;Lynne M. Sloan;Diep K. Hoang Johnson;Ulrike G. Munderloh

  • Bacteremia, fever, and splenomegaly caused by a newly recognized bartonella species.

    Marina E. Eremeeva;Helen L. Gerns;Shari L. Lydy;Jeanna S. Goo

  • Bartonella species in blood of immunocompetent persons with animal and arthropod contact.

    Edward B. Breitschwerdt;Ricardo G. Maggi;Ashlee W. Duncan;William L. Nicholson

  • Transmission of the Agent of Human Granulocytic Ehrlichiosis by Ixodes spinipalpis Ticks: Evidence of an Enzootic Cycle of Dual Infection with Borrelia burgdorferi in Northern Colorado

    Nordin S. Zeidner;Thomas R. Burkot;Robert Massung;William L. Nicholson

  • Comparison of the reservoir competence of medium-sized mammals and Peromyscus leucopus for Anaplasma phagocytophilum in Connecticut.

    Michael L. Levin;William L. Nicholson;Robert F. Massung;John W. Sumner

  • An indirect immunofluorescence assay using a cell culture-derived antigen for detection of antibodies to the agent of human granulocytic ehrlichiosis.

    William L. Nicholson;James A. Comer;John W. Sumner;Cindy Gingrich-Baker

  • Dusky-Footed Wood Rats (Neotoma fuscipes) as Reservoirs of Granulocytic Ehrlichiae (Rickettsiales: Ehrlichieae) in Northern California

    William L. Nicholson;William L. Nicholson;Martin B. Castro;Vicki L. Kramer;John W. Sumner

  • Rickettsia 364D: a newly recognized cause of eschar-associated illness in California

    Marc R. Shapiro;Curtis L. Fritz;Karen Tait;Christopher D. Paddock

  • Human Granulocytic Ehrlichiosis in Europe: Clinical and Laboratory Findings for Four Patients from Slovenia

    Stanka Lotrič-Furlan;Miroslav Petrovec;Tatjana Avsic Zupanc;William L. Nicholson

  • Bartonella sp. Bacteremia in Patients with Neurological and Neurocognitive Dysfunction

    E. B. Breitschwerdt;R. G. Maggi;W. L. Nicholson;N. A. Cherry

  • Q Fever, Spotted Fever Group, and Typhus Group Rickettsioses Among Hospitalized Febrile Patients in Northern Tanzania

    Malavika Prabhu;William L. Nicholson;Aubree J. Roche;Gilbert J. Kersh

  • Primary Isolation of Ehrlichia chaffeensis from Patients with Febrile Illnesses: Clinical and Molecular Characteristics

    Steven M. Standaert;Tina Yu;Margie A. Scott;James E. Childs

  • Seroprevalence of Q fever in the United States, 2003-2004.

    Alicia D. Anderson;Deanna Kruszon-Moran;Amanda D. Loftis;Geraldine McQuillan

Frequent Co-Authors

Christopher D. Paddock
Christopher D. Paddock Centers for Disease Control and Prevention
James E. Childs
James E. Childs Yale University
John W. Sumner
John W. Sumner Centers for Disease Control and Prevention
Robert F. Massung
Robert F. Massung Centers for Disease Control and Prevention
James A. Comer
James A. Comer Centers for Disease Control and Prevention
Edward B. Breitschwerdt
Edward B. Breitschwerdt North Carolina State University
David L. Swerdlow
David L. Swerdlow Pfizer (United States)
Franc Strle
Franc Strle University of Ljubljana
Gregory A. Dasch
Gregory A. Dasch Centers for Disease Control and Prevention
Cynthia S. Goldsmith
Cynthia S. Goldsmith Centers for Disease Control and Prevention

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Best Scientists Citing William L. Nicholson

Edward B. Breitschwerdt

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North Carolina State University

Publications: 103

Christopher D. Paddock

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Publications: 68

Ricardo G. Maggi

Ricardo G. Maggi

North Carolina State University

Publications: 61

David H. Walker

David H. Walker

The University of Texas Medical Branch at Galveston

Publications: 58

Janet E Foley

Janet E Foley

University of California, Davis

Publications: 57

Didier Raoult

Didier Raoult

Aix-Marseille University

Publications: 54

Marcelo B. Labruna

Marcelo B. Labruna

Universidade de São Paulo

Publications: 53

Robert F. Massung

Robert F. Massung

Centers for Disease Control and Prevention

Publications: 47

John A. Crump

John A. Crump

University of Otago

Publications: 45

J. Stephen Dumler

J. Stephen Dumler

Uniformed Services University of the Health Sciences

Publications: 39

Marcos Rogério André

Marcos Rogério André

Sao Paulo State University

Publications: 37

Bruno B Chomel

Bruno B Chomel

University of California, Davis

Publications: 35

Rosangela Zacarias Machado

Rosangela Zacarias Machado

Sao Paulo State University

Publications: 34

Michael Kosoy

Michael Kosoy

Centers for Disease Control and Prevention

Publications: 31

Jere W. McBride

Jere W. McBride

The University of Texas Medical Branch at Galveston

Publications: 30

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Cornelia Silaghi

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