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• 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

• 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
  33 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

• 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
  762 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

• 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

• 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
  48 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

• 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
  3 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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
  97 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

• 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

• 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

• 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
  9 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 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
  74 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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