VanDalen, Kaci

VanDalen, Kaci

Kaci K. VanDalen

Kaci VanDalen is a biologist in the Biological Laboratory Unit at the USDA APHIS Wildlife Services, National Wildlife Research Center (NWRC). She has held this position since 2004. In her work with wildlife diseases, Ms. VanDalen has assisted in pathogen surveillance studies and outbreak investigations. She has also conducted multiple laboratory studies and experimental infection investigations in BSL-3 and BSL-2 facilities. She has worked with a variety of host species from house finches to waterfowl to American alligators and a number of wildlife pathogens including Mycoplasma gallisepticum, West Nile virus, and influenza viruses.

NWRC Research Project: Biological Laboratory Unit 

Current Research

  • Avian influenza transmission and detection
  • Environmental sampling for wildlife pathogens
  • Comparing and optimizing laboratory techniques for studies of wildlife pathogens


  • M.S., Auburn University, Microbiology, Optimization of a complementation system for studies of RSV envelope proteins.
  • B.A., Biology, Central College

Contact Information

  • Address: USDA/APHIS/WS/NWRC 4101 LaPorte Ave, Fort Collins, Colorado 80521
  • Telephone: 970.266.6312
  • Fax: 970.266.6138
  • E-mail:

Recent Publications


Root, J.J., S.A. Shriner, J.W. Ellis, K.K. VanDalen, and A.B. Franklin. 2017. Transmission of H6N2 wild bird-origin influenza A virus among multiple bird species in a stacked-cage setting. Archives of Virology 162(9):2617-2624. doi: 10.1007/s00705-017-3397-y

Root, J.J., S.A. Shriner, J.W. Ellis, K.K. VanDalen, and H.J. Sullivan. 2017. Low viral doses are sufficient
to infect cottontail rabbits with avian influenza A virus.  Archives of Virology 162(11):3381-3388.  doi: 10.1007/s00705-017-3493-


Shriner, S.A., J.J. Root, M.W. Lutman, J.M. Kloft, K.K. VanDalen, H.J. Sullivan, T.S. White, M.P. Milleson, J.L. Hairston, S.C. Chandler, P.C. Wolf, C.T. Turnage, B.J. McCluskey, A.L. Vincent, M.K. Torchetti, T. Gidlewski, and T.J.DeLiberto. 2016. Surveillance for highly pathogenic H5 avian influenza virus in synanthropic wildlife associated with poultry farms during an acute outbreak. Scientific reports 6:36237.  doi: 10.1038/srep36237  


Shriner, S.A., J.J. Root, N.L. Mooers, J.W. Ellis, S.R. Stopak, H.J. Sullivan, K.K. VanDalen, and A.B. Franklin. 2016. Susceptibility of rock doves to low-pathogenic avian influenza A viruses. Archives of Virology 161:715-720.   doi:  10.1007/s00705-015-2685-7  

Shriner, S.A., K.K. VanDalen, J.J.Root, and H.J. Sullivan. 2016. Evaluation and optimization of a commercial blocking ELISA for detecting antibodies to influenza A virus for research and surveillance of mallards. Journal of Virological Methods 226:130-134.  doi: 10.1016/jviromet.2015.11.021

Root, J.J., S.A. Shriner, J.W. Ellis, K.K. VanDalen, H.J. Sullivan, and A.B. Franklin. 2015. When fur and feather occur together: Interclass transmission of avian influenza A virus from mammals to birds through common resources. Scientific Reports 5:14354.  doi: 10.1038/srep14354


Root, J.J., S.A. Shriner, K.T. Bentler, T. Gidlewski, N.L. Mooers, J.W. Ellis, T.R. Spraker, K.K. VanDalen, H.J. Sullivan, and A.B. Franklin. 2014. Shedding of a low pathogenic Avian Influenza virus in a common synanthropic mammal - the cottontail rabbit . PLoSOne 9(8): e102513. doi: 10.1371/journal.pone.0102513.

Root, J.J., K.T. Bentler, S.A. Shriner, N.L. Mooers, K.K. VanDalen, H.J. Sullivan, and A.B. Franklin. 2014. Ecological routes of Avian Influenza virus transmission to a common mesopredator: An experimental evaluation of alternatives . PLoSONE 9(8): e102964. doi: 10.1371/journal.pone.0102964.


Fry, T., Van Dalen K., Hurley J., Nash P. 2012. Mucosal adjuvants to improve wildlife rabies vaccination. Journal of Wildlife Diseases 48:1042-6. DOI: 10.7589/2011-11-331.

Pepin, K. M., K. K. Vandalen, N. L. Mooers, J. W. Ellis, H. J. Sullivan, J. J. Root, C. T. Webb, A. B. Franklin, and S. A. Shriner. 2012. Quantification of heterosubtypic immunity between avian influenza subtypes H3N8 and H4N6 in multiple avian host species. Journal of General Virology 2012., 93, 2575-2583.

Piaggio, A.J., Shriner, S.A., VanDalen, K.K., Franklin, A.B., Anderson., T.D., et al. 2012. Molecular surveillance of low pathogenic avian influenza viruses in wild birds across the United States: inferences from the hemagglutinin gene. PLoS ONE 7(12): e50834. doi:10.1371/journal.pone.0050834

Shriner, S.A., K.K. VanDalen, N.L. Mooers, J.W. Ellis, H.J. Sullivan, J.J. Root, A.M. Pelzel, and A.B. Franklin. 2012. Low-pathogenic avian influenza viruses in wild house mice. PLoS ONE 7(6): e39206.


Franklin, A. B., K. K. Vandalen, and K. Huyvaert. 2011. Avian influenza virus in aquatic environments--an ecological perspective. Pages 59-72 in S. K. Majumdar, F. J. Brenner, J. E. Huffman, R. G. McLean, A. I. Panah, P. J. F. Pietrobon, S. P. Keeler,and S. E. Shive, editors. Pandemic influenza viruses: science, surveillance and public health. Pennsylvania Academy of Science, Easton, Pennsylvania.


Vandalen, K. K., A. B. Franklin, N. L. Mooers, H. J. Sullivan, and S. A. Shriner. 2010. Shedding light on avian influenza H4N6 infection in mallards: modes of transmission and implications for surveillance. PLOS One Online

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