David Needle

Senior Veterinary Pathologist
Pathology Section Chief
Phone: (603) 862-2726
Office: Molecular, Cellular, & Biomedical Sciences, Veterinary Diagnostic Lab, Durham, NH 03824
David Needle

I received a DVM from the Cummings School of Veterinary Medicine at Tufts University in 2011, after which I completed a 3 years residency in Veterinary Anatomic Pathology at the Diagnostic Center for Population and Animal Health at Michigan State University, and one year of post-doctoral work in microbial pathogenesis.

I joined the New Hampshire Veterinary Diagnostic Laboratory (NHVDL) and UNH in 2015. My clinical work consists of diagnostic and investigational pathology serving primary care veterinarians, livestock producers, zoological collections, researchers, wildlife agencies, and rehabilitators. My research is currently comprised of two main foci in the broader context of One Health: (1) emerging and zoonotic wildlife disease discovery, and (2) comparative microbial genomics. Both areas of research have their basis in observations from diagnostic and research submissions to the NHVDL sections of pathology and microbiology. Active research in both areas relies on collaboration with multiple researchers and diagnosticians regionally and nationally.


  • D.V.M., Tufts University
  • B.A., Tufts University

Research Interests

  • Animal Diseases/Pathology
  • Antibacterial Resistance
  • Emerging Diseases
  • Infectious Diseases/Agents
  • Microbiology
  • Veterinary Medicine
  • Wildlife
  • Zoonotic Diseases

Courses Taught

  • BMS 600: Field Experience
  • BMS 704: Pathologic Basis of Disease
  • BMS 712: Experience in Vet DIagnostics
  • BMS 795W: Investigations Biomedical Sci
  • BMS 799H: Senior Honors Thesis
  • INCO 790: Adv Rsrch Exp/MCBS

Selected Publications

Needle, D. B., Marr, J. L., Park, C. J., Andam, C. P., Wise, A. G., Maes, R. K., . . . Gibson, R. (2020). Concurrent Infection of Skunk Adenovirus-1, Listeria monocytogenes, and a Regionally Specific Clade of Canine Distemper Virus in One Gray Fox (Urocyon cinereoargenteus) and Concurrent Listeriosis and Canine Distemper in a Second Gray Fox. PATHOGENS, 9(7). doi:10.3390/pathogens9070591

Smith, J. T., Amador, S., McGonagle, C. J., Needle, D., Gibson, R., & Andam, C. P. (2020). Population genomics of Staphylococcus pseudintermedius in companion animals in the United States. COMMUNICATIONS BIOLOGY, 3(1). doi:10.1038/s42003-020-1009-y

Needle, D. B., Gibson, R., Hollingshead, N. A., Sidor, I. F., Marra, N. J., Rothenheber, D., . . . Goodman, L. B. (2019). Atypical Dermatophytosis in 12 North American Porcupines (Erethizon dorsatum) from the Northeastern United States 2010-2017. PATHOGENS, 8(4). doi:10.3390/pathogens8040171

Needle, D. B., Wise, A. G., Gregory, C. R., Maes, R. K., Sidor, I. F., Ritchie, B. W., & Agnew, D. (2019). Necrotizing Ventriculitis in Fledgling Chimney Swifts (Chaetura Pelagica) Associated With a Novel Adenovirus, Chimney Swift Adenovirus-1 (CsAdV-1). VETERINARY PATHOLOGY, 56(6), 907-914. doi:10.1177/0300985819861717

Needle, D. B., Burnell, V. C., Forzan, M. J., Dubovi, E. J., Schuler, K. L., Bernier, C., . . . Wilkes, R. P. (2019). Infection of eight mesocarnivores in New Hampshire and Vermont with a distinct clade of canine distemper virus in 2016-2017. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 31(4), 562-567. doi:10.1177/1040638719847510

Hendrikse, L. D., Kambli, A., Kayko, C., Canuti, M., Rodrigues, B., Stevens, B., . . . Troyer, R. M. (2019). Identification of a Novel Gammaherpesvirus in Canada lynx (Lynx canadensis). VIRUSES-BASEL, 11(4). doi:10.3390/v11040363

Needle, D. B., Selig, M. K., Jackson, K. A., Delwart, E., Tighe, E., Leib, S. L., . . . Pesavento, P. A. (2019). Fatal bronchopneumonia caused by skunk adenovirus 1 in an African pygmy hedgehog. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 31(1), 103-106. doi:10.1177/1040638718812123

Zoll, W. M., Needle, D. B., French, S. J., Lim, A., Bolin, S., Langohr, I., & Agnew, D. (2015). Sarcocystis spp. Infection in two Red Panda Cubs (Ailurus fulgens). JOURNAL OF COMPARATIVE PATHOLOGY, 153(2-3), 185-189. doi:10.1016/j.jcpa.2015.04.009