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• 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
  45 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
  34 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
  84 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
  93 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
  156 Scopus citations

• 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

• 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
  137 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
  27 Scopus citations

• Sequelae of Lassa fever: Postviral cerebellar ataxia

  Ezeomah, C., Adoga, A., Ihekweazu, C., Paessler, S., Cisneros, I., Tomori, O. & Walker, D., Dec 1 2019, In: Open Forum Infectious Diseases. 6, 12

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

  Open Access

  • Lassa Fever
  • Cerebellar Ataxia
  • Ataxia
  • Antiviral Agents
  • Lassa virus
  1 Scopus citations

• 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
• Comment/debate

  Seek and you shall find — Unknown pathogens?

  Vasilakis, N. & Walker, D. H., May 30 2019, In: New England Journal of Medicine. 380, 22, p. 2174-2175 2 p.

  Research output: Contribution to journal › Comment/debate › peer-review
• 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

• 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, 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., 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

• 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

• 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

  A biosafety level-2 dose-dependent lethal mouse model of spotted fever rickettsiosis: Rickettsia parkeri atlantic rainforest strain

  Londoño, A. F., Mendell, N. L., Walker, D. H. & Bouyer, D. H., Jun 2019, In: PLoS neglected tropical diseases. 13, 6, e0007054.

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

  Open Access

  • Rainforest
  • Spotted Fever Group Rickettsiosis
  • Rickettsia
  • Containment of Biohazards
  • Infection
  2 Scopus citations

• A cluster of cases of rocky mountain spotted fever in an area of Colombia not known to be endemic for this disease

  Londoño, A. F., Arango-Ferreira, C., Acevedo-Gutiérrez, L. Y., Paternina, L. E., Montes, C., Ruiz, I., Labruna, M. B., Díaz, F. J., Walker, D. H. & Rodas, J. D., 2019, In: American Journal of Tropical Medicine and Hygiene. 101, 2, p. 336-342 7 p.

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

  • Rocky Mountain Spotted Fever
  • Endemic Diseases
  • Colombia
  • Rickettsia rickettsii
  • Molecular Diagnostic Techniques
  2 Scopus citations

• 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

• 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
  75 Scopus citations

• Atg5 supports Rickettsia australis infection in macrophages in vitro and in vivo

  Bechelli, J., Vergara, L., Smalley, C., Buzhdygan, T. P., Bender, S., Zhang, W., Liu, Y., Popov, V. L., Wang, J., Garg, N., Hwang, S., Walker, D. H. & Fang, R., Jan 1 2019, In: Infection and immunity. 87, 1, e00651.

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

  • Spotted Fever Group Rickettsiosis
  • Macrophages
  • In Vitro Techniques
  • Rickettsia
  • Interleukin-1
  10 Scopus citations

• 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
  14 Scopus citations

• Burkholderia pseudomallei ΔtonB Δhcp1 live attenuated vaccine strain elicits full protective immunity against aerosolized melioidosis infection

  Khakhum, N., Bharaj, P., Myers, J. N., Tapia, D., Kilgore, P. B., Ross, B. N., Walker, D. H., Endsley, J. J. & Torresa, A. G., Jan 1 2019, In: mSphere. 4, 1, e00570-18.

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

  • Melioidosis
  • Burkholderia pseudomallei
  • Attenuated Vaccines
  • Burkholderia mallei
  • Immunity
  11 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
  98 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
  27 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
  21 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 outer membrane protein 1-specific human antibody-mediated immunity is defined by intracellular TRIM21-dependent innate immune activation and extracellular neutralization

  Velayutham, T. S., Kumar, S., Zhang, X., Kose, N., Walker, D. H., Winslow, G., Crowe, J. E. & McBride, J. W., Dec 1 2019, In: Infection and immunity. 87, 12, e00383-19.

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

  Open Access

  • Ehrlichia chaffeensis
  • Ehrlichia
  • Membrane Proteins
  • Immunity
  • Autophagy
  4 Scopus citations

• Evaluation of Burkholderia mallei ΔtonB Δhcp1 (CLH001) as a live attenuated vaccine in murine models of glanders and melioidosis

  Khakhum, N., Bharaj, P., Myers, J. N., Tapia, D., Walker, D. H., Endsley, J. J. & Torres, A. G., Jul 2019, In: PLoS neglected tropical diseases. 13, 7, e0007578.

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

  Open Access

  • Burkholderia mallei
  • Glanders
  • Melioidosis
  • Attenuated Vaccines
  • Humoral Immunity
  5 Scopus citations

• Exchange protein directly activated by cAMP plays a critical role in bacterial invasion during fatal rickettsioses

  Gong, B., Shelite, T., Mei, F. C., Ha, T., Hu, Y., Xu, G., Chang, Q., Wakamiya, M., Ksiazek, T. G., Boor, P. J., Bouyer, D. H., Popov, V. L., Chen, J., Walker, D. H. & Cheng, X., Nov 26 2013, In: Proceedings of the National Academy of Sciences of the United States of America. 110, 48, p. 19615-19620 6 p.

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

  • 3-(5-tert-butylisoxazol-3-yl)-2-((3-chlorophenyl)hydrazono)-3-oxopropionitrile
  • Spotted Fever Group Rickettsiosis
  • Bioterrorism
  • Bacterial Adhesion
  • Host-Pathogen Interactions
  49 Scopus citations

• Fever and rash after a safari

  Damavandy, A. A., Rojek, N. W., Dugan, E. M., Walker, D. & Norton, S. A., Jan 1 2015, In: Journal of the American Academy of Dermatology. 72, 1, p. e5-e6

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

• Fever with thrombocytopenia associated with a novel bunyavirus in China

  Yu, X. J., Liang, M. F., Zhang, S. Y., Liu, Y., Li, J. D., Sun, Y. L., Zhang, L., Zhang, Q. F., Popov, V. L., Li, C., Qu, J., Li, Q., Zhang, Y. P., Hai, R., Wu, W., Wang, Q., Zhan, F. X., Wang, X. J., Kan, B., Wang, S. W. & 26 others, Wan, K. L., Jing, H. Q., Lu, J. X., Yin, W. W., Zhou, H., Guan, X. H., Liu, J. F., Bi, Z. Q., Liu, G. H., Ren, J., Wang, H., Zhao, Z., Song, J. D., He, J. R., Wan, T., Zhang, J. S., Fu, X. P., Sun, L. N., Dong, X. P., Feng, Z. J., Yang, W. Z., Hong, T., Zhang, Y., Walker, D. H., Wang, Y. & Li, D. X., Apr 21 2011, In: New England Journal of Medicine. 364, 16, p. 1523-1532 10 p.

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

  • Orthobunyavirus
  • Thrombocytopenia
  • China
  • Fever
  • Phlebovirus
  767 Scopus citations

• Fibroblast growth factor receptor-1 mediates internalization of pathogenic spotted fever rickettsiae into host endothelium

  Sahni, A., Patel, J., Narra, H. P., Schroeder, C. L. C., Walker, D. H. & Sahni, S. K., Aug 2017, In: PloS one. 12, 8, e0183181.

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

  • fibroblast growth factor receptor 1
  • Spotted Fever Group Rickettsiosis
  • Endothelial cells
  • Receptor, Fibroblast Growth Factor, Type 1
  • fibroblast growth factor receptors
  10 Scopus citations

• Genotypic characterization of Orientia tsutsugamushi from patients in two geographical locations in Sri Lanka

  Premaratna, R., Blanton, L. S., Samaraweera, D. N., de Silva, G. N. N., Chandrasena, N. T. G. A., Walker, D. H. & de Silva, H. J., Jan 13 2017, In: BMC Infectious Diseases. 17, 1, 67.

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

  • Orientia tsutsugamushi
  • Sri Lanka
  • Genotype
  • Real-Time Polymerase Chain Reaction
  • Fever
  9 Scopus citations