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• Short survey

  Scrub typhus - Scientific neglect, ever-widening impact

  Walker, D. H., Sep 8 2016, In: New England Journal of Medicine. 375, 10, p. 913-915 3 p.

  Research output: Contribution to journal › Short survey › peer-review
  32 Scopus citations
• Review article

  Approaches to vaccines against Orientia tsutsugamushi

  Valbuena, G. & Walker, D. H., 2013, In: Frontiers in Cellular and Infection Microbiology. 4, JAN, Article 170.

  Research output: Contribution to journal › Review article › peer-review

  Open Access

  • Orientia tsutsugamushi
  • Scrub Typhus
  • Vaccines
  • Pacific Ocean
  • Northern Asia
  43 Scopus citations

• Ehrlichioses: An important one health opportunity

  Saito, T. B. & Walker, D. H., Sep 1 2016, In: Veterinary Sciences. 3, 3, 20.

  Research output: Contribution to journal › Review article › peer-review

  • ehrlichiosis
  • Ehrlichiosis
  • Ehrlichia
  • T-Lymphocytes
  • Health
  11 Scopus citations

• Fatal rocky mountain spotted fever in a 2-year-old child

  Walker, D. H. & Paddock, C. D., Nov 1 2011, In: Pathology Case Reviews. 16, 6, p. 238-241 4 p.

  Research output: Contribution to journal › Review article › peer-review

  • Rocky Mountain Spotted Fever
  • Spotted Fever Group Rickettsiosis
  • Brain Edema
  • Vasculitis
  • Pathologists
  1 Scopus citations

• Flea-Borne Rickettsioses and Rickettsiae

  Blanton, L. S. & Walker, D. H., Jan 2017, In: American Journal of Tropical Medicine and Hygiene. 96, 1, p. 53-56 4 p.

  Research output: Contribution to journal › Review article › peer-review

  • Siphonaptera
  • Rickettsia felis
  • Rickettsia typhi
  • Ecology
  • Uncertainty
  32 Scopus citations

• New insight into immunity and immunopathology of Rickettsial diseases

  Mansueto, P., Vitale, G., Cascio, A., Seidita, A., Pepe, I., Carroccio, A., Di Rosa, S., Rini, G. B., Cillari, E. & Walker, D. H., 2012, In: Clinical and Developmental Immunology. 2012, 967852.

  Research output: Contribution to journal › Review article › peer-review

  • Rickettsia Infections
  • Rickettsia
  • Virulence
  • Immunity
  • Anaplasma
  83 Scopus citations

• Pathogenesis of lassa fever

  Yun, N. E. & Walker, D. H., Oct 2012, In: Viruses. 4, 10, p. 2031-2048 18 p.

  Research output: Contribution to journal › Review article › peer-review

  • Lassa Fever
  • Lassa virus
  • Old World Arenaviruses
  • Arenaviridae
  • Vaccines
  86 Scopus citations

• Pathogenesis of the viral hemorrhagic fevers

  Paessler, S. & Walker, D. H., Jan 2013, In: Annual Review of Pathology: Mechanisms of Disease. 8, p. 411-440 30 p.

  Research output: Contribution to journal › Review article › peer-review

  • Viral Hemorrhagic Fevers
  • fever
  • pathogenesis
  • Marburg Virus Disease
  • Orthobunyavirus
  152 Scopus citations

• Perspective Piece: Ideal Criteria for Accurate Mouse Models of Vector-Borne Diseases with Emphasis on Scrub Typhus and Dengue

  Sarathy, V. V. & Walker, D. H., Sep 2020, In: American Journal of Tropical Medicine and Hygiene. 103, 3, p. 970-975 6 p.

  Research output: Contribution to journal › Review article › peer-review

  • Scrub Typhus
  • Disease Vectors
  • Dengue
  • Orientia tsutsugamushi
  • Zoonoses

• Recent molecular insights into rickettsial pathogenesis and immunity

  Sahni, S. K., Narra, H. P., Sahni, A. & Walker, D. H., Oct 2013, In: Future Microbiology. 8, 10, p. 1265-1288 24 p.

  Research output: Contribution to journal › Review article › peer-review

  • Arthropods
  • Rickettsia prowazekii
  • Immunity
  • Rickettsia Infections
  • Epidemic Louse-Borne Typhus
  59 Scopus citations

• Recent research milestones in the pathogenesis of human rickettsioses and opportunities ahead

  Narra, H. P., Sahni, A., Walker, D. H. & Sahni, S. K., Jun 2020, In: Future Microbiology. 15, 9, p. 753-765 13 p.

  Research output: Contribution to journal › Review article › peer-review

  • Arthropod Vectors
  • resmethrin
  • Rickettsia
  • Antitoxins
  • Host-Pathogen Interactions
  1 Scopus citations

• Review article: Unresolved problems related to scrub typhus: A seriously neglected life-threatening disease

  Paris, D. H., Shelite, T. R., Day, N. P. & Walker, D. H., Aug 2013, In: American Journal of Tropical Medicine and Hygiene. 89, 2, p. 301-307 7 p.

  Research output: Contribution to journal › Review article › peer-review
  133 Scopus citations

• Rickettsiae as Emerging Infectious Agents

  Fang, R., Blanton, L. S. & Walker, D. H., Jun 2017, In: Clinics in Laboratory Medicine. 37, 2, p. 383-400 18 p.

  Research output: Contribution to journal › Review article › peer-review

  • Arthropod Vectors
  • Epidemic Louse-Borne Typhus
  • Spotted Fever Group Rickettsiosis
  • Endothelial cells
  • Epidemiology
  25 Scopus citations

• The guinea pig model for tick-borne spotted fever rickettsioses: A second look

  Stokes, J. V., Walker, D. H. & Varela-Stokes, A. S., Nov 2020, In: Ticks and Tick-borne Diseases. 11, 6, 101538.

  Research output: Contribution to journal › Review article › peer-review

  Open Access

  • rickettsial diseases
  • Spotted Fever Group Rickettsiosis
  • Ticks
  • fever
  • ticks

• The role of CD8 T lymphocytes in rickettsial infections

  Walker, D. H. & Dumler, J. S., May 26 2015, In: Seminars in Immunopathology. 37, 3, p. 289-299 11 p.

  Research output: Contribution to journal › Review article › peer-review

  • T-Lymphocytes
  • Infection
  • Anaplasmosis
  • Ehrlichiosis
  • Immunity
  17 Scopus citations
• Letter

  Letters to the editor

  Walker, D., Mar 2012, In: Archives of Pathology and Laboratory Medicine. 136, 3, p. 235-236 2 p.

  Research output: Contribution to journal › Letter › peer-review
• Foreword/postscript

  Preface

  Guerrant, R. L., Walker, D. H. & Weller, P. F., 2011, Tropical Infectious Diseases. Elsevier Inc., p. xii

  Research output: Chapter in Book/Report/Conference proceeding › Foreword/postscript
• Editorial

  Editorial: Changing dynamics of human-rickettsial interactions

  Walker, D. H., Jan 2016, In: American Journal of Tropical Medicine and Hygiene. 94, 1, p. 3-4 2 p.

  Research output: Contribution to journal › Editorial › peer-review
  5 Scopus citations
• Chapter

  Anthrax

  Rao, G. R. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 261-264 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Bartonelloses

  Dehio, C., Maguiña, C. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 265-270 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Chlamydial, Mycoplasmal, Rickettsial, and Ehrlichial Diseases

  Walker, D. H., 2018, Pulmonary Pathology: A Volume in the Series: Foundations in Diagnostic Pathology. Elsevier Inc., p. 315-326 12 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Distinguishing Tropical Infectious Diseases from Bioterrorism

  Olano, J. P., Peters, C. J. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 879-886 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Endothelial Activation and Injury: The Mechanisms of Rickettsial Vasculiti

  Sahni, A., Narra, H. P., Walker, D. H. & Sahni, S. K., Jan 1 2016, Vascular Responses to Pathogens. Elsevier Inc., p. 111-122 12 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Wounds and Injuries
  • Infection
  • Rickettsia Infections
  • Arthropod Vectors
  • Rickettsia
  5 Scopus citations

• Epidemiology, molecular biology, and pathogenic mechanisms of Ehrlichia infections

  Yu, X. J. & Walker, D., Jan 1 2016, Rickettsiales: Biology, Molecular Biology, Epidemiology, and Vaccine Development. Springer International Publishing, p. 225-240 16 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Ehrlichia
  • Ehrlichiosis
  • Molecular Biology
  • Epidemiology
  • Pattern Recognition Receptors
  1 Scopus citations

• Human ehrlichioses and rickettsioses in Cameroon

  Ndip, LN., Ndip, R., Walker, D. H. & McBride, J. W., 2012, Current Topics in Tropical Medicine. p. 25-42

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Immunohistology of Infectious Diseases

  Ezyaguirre, E. J., Walker, D. H. & Zaki, S., Jan 1 2011, Diagnostic Immunohistochemistry. Elsevier Inc., p. 58-82 25 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  4 Scopus citations

• Principles of Parasitism: Host-Parasite Interactions

  Olano, J. P., Weller, P. F., Guerrant, R. L. & Walker, D. H., 2011, Tropical Infectious Diseases. Elsevier Inc., p. 1-7 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  1 Scopus citations

• Rickettsia

  Walker, D., Oct 6 2016, International Encyclopedia of Public Health. Elsevier Inc., p. 370-377 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Coxiella
  • Rickettsia
  • Neorickettsia
  • Endemic Flea-Borne Typhus
  • Anaplasma
  2 Scopus citations

• Rickettsia, orientia, ehrlichia, anaplasma and coxiella: Typhus; spotted fevers; scrub typhus; ehrlichioses; Q fever

  Walker, D. & Yu, X. J., Jul 23 2012, Medical Microbiology: Eighteenth Edition. Elsevier Inc., p. 390-399 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  1 Scopus citations

• Rocky mountain spotted fever and other rickettsioses

  Walker, D., Jul 8 2013, Schaechter's Mechanisms of Microbial Disease: Fifth Edition. Wolters Kluwer Health Adis (ESP), p. 301-307 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Rocky mountain spotted fever and other rickettsioses

  Walker, D., May 15 2012, Schaechter's Mechanisms of Microbial Disease: Fifth Edition. Wolters Kluwer Health Adis (ESP), p. 301-307 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Scrub Typhus

  Kim, I. S. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 334-338 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  10 Scopus citations

• Spotted Fever Group Rickettsioses

  Sexton, D. J. & Walker, D. H., 2011, Tropical Infectious Diseases. Elsevier Inc., p. 323-328 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  2 Scopus citations

• Typhus Group Rickettsioses

  Walker, D. H. & Raoult, D., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 329-333 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  3 Scopus citations
• Book

  Tropical Infectious Diseases

  Guerrant, R., Walker, D. H. & Weller, P., 2011, Elsevier Inc.

  Research output: Book/Report › Book

  • Omsk Hemorrhagic Fever
  • Crimean-Congo hemorrhagic fever virus
  • Hepatitis A Vaccines
  • Tick-Borne Encephalitis
  • Mucormycosis
  24 Scopus citations
• Article

  Activation of ASC Inflammasome Driven by Toll-Like Receptor 4 Contributes to Host Immunity against Rickettsial Infection

  Rumfield, C., Hyseni, I., McBride, J. W., Walker, D. H. & Fang, R., Mar 23 2020, In: Infection and immunity. 88, 4

  Research output: Contribution to journal › Article › peer-review

  • Inflammasomes
  • Toll-Like Receptor 4
  • Interleukin-1
  • Immunity
  • Macrophages

• Analysis of health-Care charges in murine typhus: Need for improved clinical recognition and diagnostics for acute disease

  Vohra, R. F., Walker, D. H. & Blanton, L. S., 2018, In: American Journal of Tropical Medicine and Hygiene. 98, 6, p. 1594-1598 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Endemic Flea-Borne Typhus
  • Acute Disease
  • Delivery of Health Care
  • Human Influenza
  • Rickettsia typhi
  5 Scopus citations

• An animal model of a newly emerging human ehrlichiosis

  Saito, T. B., Thirumalapura, N. R., Shelite, T. R., Rockx-Brouwer, D., Popov, V. L. & Walker, D. H., Feb 1 2015, In: Journal of Infectious Diseases. 211, 3, p. 452-461 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichia
  • Ehrlichiosis
  • Animal Models
  • Infection
  • Clinical Chemistry
  14 Scopus citations

• An Intradermal Inoculation Mouse Model for Immunological Investigations of Acute Scrub Typhus and Persistent Infection

  Soong, L., Mendell, N. L., Olano, J. P., Rockx-Brouwer, D., Xu, G., Goez-Rivillas, Y., Drom, C., Shelite, T. R., Valbuena, G., Walker, D. H. & Bouyer, D. H., Aug 1 2016, In: PLoS neglected tropical diseases. 10, 8, e0004884.

  Research output: Contribution to journal › Article › peer-review

  • Immunological Models
  • Scrub Typhus
  • Infection
  • Orientia tsutsugamushi
  • Interleukin-9
  15 Scopus citations

• Approaches to vaccines against Orientia tsutsugamushi

  Valbuena, G. & Walker, D. H., 2013, In: Frontiers in cellular and infection microbiology. 4, JAN, Article 170.

  Research output: Contribution to journal › Article › peer-review

  • Orientia tsutsugamushi
  • Scrub Typhus
  • Vaccines
  • Pacific Ocean
  • Northern Asia

• A review of the global epidemiology of scrub typhus

  Xu, G., Walker, D. H., Jupiter, D., Melby, P. C. & Arcari, C. M., Nov 3 2017, In: PLoS neglected tropical diseases. 11, 11, e0006062.

  Research output: Contribution to journal › Article › peer-review

  • Scrub Typhus
  • Epidemiology
  • Orientia tsutsugamushi
  • Public Health
  • Neglected Diseases
  73 Scopus citations

• A single mutation (V64G) within the ring domain of Z attenuates junin virus

  Hallam, S. J., Manning, J. T., Maruyama, J., Seregin, A., Huang, C., Walker, D. H., de la Torre, J. C. & Paessler, S., Sep 2020, In: PLoS neglected tropical diseases. 14, 9, p. 1-15 15 p., e0008555.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • New World Arenaviruses
  • Junin virus
  • Mutation
  • Arenaviridae
  • Fever

• A Tick Vector Transmission Model of Monocytotropic Ehrlichiosis

  Saito, T. B. & Walker, D. H., Sep 15 2015, In: Journal of Infectious Diseases. 212, 6, p. 968-977 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichiosis
  • Ticks
  • Ehrlichia
  • Nymph
  • Larva
  13 Scopus citations

• Case-Fatality ratio and effectiveness of ribavirin therapy among hospitalized patients in china who had severe fever with thrombocytopenia syndrome

  Liu, W., Lu, Q. B., Cui, N., Li, H., Wang, L. Y., Liu, K., Yang, Z. D., Wang, B. J., Wang, H. Y., Zhang, Y. Y., Zhuang, L., Hu, C. Y., Yuan, C., Fan, X. J., Wang, Z., Zhang, L., Zhang, X. A., Walker, D. H. & Cao, W. C., Nov 1 2013, In: Clinical Infectious Diseases. 57, 9, p. 1292-1299 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Ribavirin
  • Thrombocytopenia
  • China
  • Fever
  • Fatal Outcome
  96 Scopus citations

• Case report: An unusual cutaneous manifestation in a patient with murine typhus

  Blanton, L. S., Lea, A. S., Kelly, B. C. & Walker, D. H., Dec 2015, In: American Journal of Tropical Medicine and Hygiene. 93, 6, p. 1164-1167 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Endemic Flea-Borne Typhus
  • Skin Manifestations
  • Rickettsia typhi
  • Siphonaptera
  • Mites
  9 Scopus citations

• CD8⁺T cells provide immune protection against murine disseminated endotheliotropic Orientia tsutsugamushi infection

  Xu, G., Mendell, N. L., Liang, Y., Shelite, T. R., Goez-Rivillas, Y., Soong, L., Bouyer, D. H. & Walker, D. H., Jul 19 2017, In: PLoS neglected tropical diseases. 11, 7, e0005763.

  Research output: Contribution to journal › Article › peer-review

  • Scrub Typhus
  • Orientia tsutsugamushi
  • T-Lymphocytes
  • Bacterial Load
  • Immunity
  15 Scopus citations

• Compartmentalized, functional role of angiogenin during spotted fever group rickettsia-induced endothelial barrier dysfunction: Evidence of possible mediation by host tRNA-derived small noncoding RNAs

  Gong, B., Lee, Y. S., Lee, I., Shelite, T. R., Kunkeaw, N., Xu, G., Lee, K., Jeon, S. H., Johnson, B. H., Chang, Q., Ha, T., Mendell, N. L., Cheng, X., Bouyer, D. H., Boor, P. J., Ksiazek, T. G. & Walker, D. H., Jun 23 2013, In: BMC Infectious Diseases. 13, 1, 285.

  Research output: Contribution to journal › Article › peer-review

  • angiogenin
  • Spotted Fever Group Rickettsiosis
  • Rickettsia
  • Small Untranslated RNA
  • Transfer RNA
  25 Scopus citations

• Contribution of NK cells to the innate phase of host protection against an intracellular bacterium targeting systemic endothelium

  Fang, R., Ismail, N. & Walker, D. H., Jul 2012, In: American Journal of Pathology. 181, 1, p. 185-195 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Natural Killer Cells
  • Endothelium
  • Bacteria
  • Rickettsia
  • Interferons
  20 Scopus citations

• Diagnosing emerging and reemerging infectious diseases: The pivotal role of the pathologist

  Olano, J. P. & Walker, D. H., Jan 1 2011, In: Archives of Pathology and Laboratory Medicine. 135, 1, p. 83-91 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Emerging Communicable Diseases
  • Pathologists
  • Communicable Diseases
  • Molecular Pathology
  • United States Food and Drug Administration
  15 Scopus citations

• Ehrlichia chaffeensis and E. canis hypothetical protein immunoanalysis reveals small secreted immunodominant proteins and conformation-dependent antibody epitopes

  Luo, T., Patel, J. G., Zhang, X., Walker, D. H. & McBride, J. W., Dec 1 2020, In: npj Vaccines. 5, 1, 85.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Ehrlichia chaffeensis
  • Protein Conformation
  • Epitopes
  • Antibodies
  • Proteins