Ram Raghavan, MS, PhD

Associate Professor

  • MPH
  • MS
  • Ph.D.
Ram Raghavan

Building Address: 209 C Conaway Hall
Email: RaghavanRK@missouri.edu


Dr. Raghavan is broadly interested in spatially-enabled computational epidemiology of vector-borne and infectious diseases and applications of geospatial approaches for enhancing animal/public health. He extensively uses Geographic Information Science (GIS) and remote-sensing concepts in his research alongside geo-statistical, correlative modeling, and Bayesian modeling approaches for understanding spatio-temporal dynamics of non-stationary epidemiological processes. His current and prior research have identified important spatio-temporal patterns and spatial determinants for vector/water-borne zoonotic diseases from climatic, environmental, and socio-economic themes. Increasingly, his research strives to identify consistencies in complex meteorological variable associations (i.e. climate-change) with vector-borne diseases through the utilization of high-resolution ground-based and NASA Earth Observing System (EOS) datasets.


V_PBIO 5558/8458 Veterinary Public Health
V_PBIO 3650 Public Health Microbiology
P_HLTH 3450 Introduction to Epidemiology
P_HLTH 8420 Principles of Epidemiology


Benavides, J.A., Raghavan, R.K., Boere, V., Rocha, S., Wada, M.Y., Vargas, A., Voietta, F., de Oliveira e Silva, I., Leal, S., de Castro, A. and Arruda, M.D.F., 2022. Spatio-temporal dynamics of rabies and habitat suitability of the common marmoset Callithrix jacchus in Brazil. PLoS neglected tropical diseases16(3), p.e0010254.

Raghavan, R.K . and Ganta, R., 2021. eo6 Considerations for Predicting Climate Change Implications on Future Spatial Distribution Ranges of Ticks. Climate, Ticks and Disease18, p.38. ( https://www.google.com/books/edition/Climate_Ticks_and_Disease/4LhREAAAQBAJ?hl=en&gbpv=1&pg=PA38&printsec=frontcover )

Raghavan, R.K ., Koestel, Z.L., Boorgula, G., Hroobi, A., Ganta, R., Harrington Jr, J., Goodin, D., Stich, R.W. and Anderson, G., 2021. Unexpected winter questing activity of ticks in the Central Midwestern United States. Plos one16(11), p.e0259769. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0259769 )

Spare, M., Boorgula, G.D., Thomson, D., Bai, J., Goodin, D., Anderson, G., Stich, R.W., Hroobi, A., Wilson, S., Staggs, A. and Bowers, A., Hamm, A., Tatman, J., Raghavan, R.K. 2021. Surveillance of host-seeking ticks in the Flint Hills region (USA) and associations with environmental determinants. Parasitologia1(3), pp.137-147. ( https://www.mdpi.com/2673-6772/1/3/15 )

Raghavan, R.K ., Koestel, Z., Ierardi, R., Peterson, A.T. and Cobos, M.E., 2021. Climatic suitability of the eastern paralysis tick, Ixodes holocyclus, and its likely geographic distribution in the year 2050. Scientific reports11(1), pp.1-8. ( https://www.nature.com/articles/s41598-021-94793-2 )

Hroobi, A., Boorgula, G.D., Gordon, D., Bai, J., Goodin, D., Anderson, G., Wilson, S., Staggs, A. and Raghavan, R.K., 2021. Diversity and seasonality of host-seeking ticks in a periurban environment in the Central Midwest (USA). Plos one16(4), p.e0250272. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0250272 )

Alkishe, A., Raghavan, R.K. and Peterson, A.T., 2021. Likely Geographic Distributional Shifts among Medically Important Tick Species and Tick-Associated Diseases under Climate Change in North America: A Review. Insects12(3), p.225. ( https://www.mdpi.com/2075-4450/12/3/225 )

Boorgula, G.D., Peterson, A.T., Foley, D.H., Ganta, R.R. and Raghavan, R.K., 2020. Assessing the current and future potential geographic distribution of the American dog tick, Dermacentor variabilis (Say)(Acari: Ixodidae) in North America. PloS one15(8), p.e0237191. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0237191 )

Trevisan, G., Linhares, L.C., Crim, B., Dubey, P., Schwartz, K.J., Burrough, E.R., Wang, C., Main, R.G., Sundberg, P., Thurn, M. and Lages, P.T., …, Raghavan, R.K., 2020. Prediction of seasonal patterns of porcine reproductive and respiratory syndrome virus RNA detection in the US swine industry. Journal of Veterinary Diagnostic Investigation32(3), pp.394-400. ( https://journals.sagepub.com/doi/full/10.1177/1040638720912406 )

Spare, M.R., Hanzlicek, G.A., Wootten, K.L., Anderson, G.A., Thomson, D.U., Sanderson, M.W., Ganta, R.R., Reif, K.E. and Raghavan, R.K., 2020. Bovine anaplasmosis herd prevalence and management practices as risk-factors associated with herd disease status. Veterinary Parasitology: X3, p.100021. ( https://www.sciencedirect.com/science/article/pii/S2590138919300177 )

Raghavan, R.K ., Heath, A.C.G., Lawrence, K.E., Ganta, R.R., Peterson, A.T. and Pomroy, W.E., 2020. Predicting the potential distribution of Amblyomma americanum (Acari: Ixodidae) infestation in New Zealand, using maximum entropy-based ecological niche modelling. Experimental and Applied Acarology80(2), pp.227-245. ( https://link.springer.com/article/10.1007/s10493-019-00460-7 )

Trevisan, G., Linhares, L.C., Crim, B., Dubey, P., Schwartz, K.J., Burrough, E.R., Main, R.G., Sundberg, P., Thurn, M., Lages, P.T. and Corzo, C.A., …, Raghavan, R.K., 2019. Macroepidemiological aspects of porcine reproductive and respiratory syndrome virus detection by major United States veterinary diagnostic laboratories over time, age group, and specimen. PLoS One14(10), p.e0223544. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0223544 )

Raghavan, R.K ., Barker, S.C., Cobos, M.E., Barker, D., Teo, E.J.M., Foley, D.H., Nakao, R., Lawrence, K., Heath, A.C.G. and Peterson, A.T., 2019. Potential spatial distribution of the newly introduced long-horned tick, Haemaphysalis longicornis in North America. Scientific reports9(1), pp.1-8. ( https://www.nature.com/articles/s41598-018-37205-2 )

Raghavan, R.K ., Peterson, A.T., Cobos, M.E., Ganta, R. and Foley, D., 2019. Current and future distribution of the lone star tick, Amblyomma americanum (L.)(Acari: Ixodidae) in North America. PloS one14(1), p.e0209082. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0209082 )

Savage, H.M., Godsey Jr, M.S., Tatman, J., Burkhalter, K.L., Hamm, A., Panella, N.A., Ghosh, A. and Raghavan, R.K., 2018. Surveillance for Heartland and bourbon viruses in Eastern Kansas, June 2016. Journal of medical entomology55(6), pp.1613-1616. ( https://academic.oup.com/jme/article/55/6/1613/5045816?login=true )

Savage, H.M., Godsey Jr, M.S., Panella, N.A., Burkhalter, K.L., Manford, J., Trevino-Garrison, I.C., Straily, A., Wilson, S., Bowen, J. and Raghavan, R.K., 2018. Surveillance for tick-borne viruses near the location of a fatal human case of bourbon virus (Family Orthomyxoviridae: Genus Thogotovirus) in Eastern Kansas, 2015. Journal of medical entomology55(3), pp.701-705. ( https://academic.oup.com/jme/article/55/3/701/4818448?login=true )

Peterson, A.T. and Raghavan, R.K, 2017. The leading edge of the geographic distribution of Ixodes scapularis (Acari: Ixodidae). Journal of medical entomology54(5), pp.1103-1103. ( https://academic.oup.com/jme/article/54/5/1103/3861061?login=true )

Peterson, A.T. and Raghavan, R.K., 2017. The geographic distribution of Ixodes scapularis (Acari: Ixodidae) revisited: The importance of assumptions about error balance. Journal of medical entomology54(4), pp.1080-1084. ( https://academic.oup.com/jme/article/54/4/1080/3860362?login=true )

Raghavan, R.K ., Goodin, D.G., Dryden, M.W., Hroobi, A., Gordon, D.M., Cheng, C., Nair, A.D., Jakkula, L.U., Hanzlicek, G.A., Anderson, G.A. and Ganta, R.R., 2016. Heterogeneous associations of ecological attributes with tick-borne Rickettsial pathogens in a periurban Landscape. Vector-Borne and Zoonotic Diseases16(9), pp.569-576. ( https://www.liebertpub.com/doi/abs/10.1089/vbz.2016.1975 )

Raghavan, R.K ., Hanlon, C.A., Goodin, D.G., Davis, R., Moore, M., Moore, S. and Anderson, G.A., 2016. Bayesian spatiotemporal pattern and eco-climatological drivers of striped skunk rabies in the North Central Plains. PLoS neglected tropical diseases10(4), p.e0004632. ( https://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0004632 )

Hanzlicek, G.A., Raghavan, R.K., Ganta, R.R. and Anderson, G.A., 2016. Bayesian space-time patterns and climatic determinants of bovine anaplasmosis. PLoS One11(3), p.e0151924. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0151924 )

Raghavan, R.K ., Goodin, D.G., Neises, D., Anderson, G.A. and Ganta, R.R., 2016. Hierarchical Bayesian spatio–temporal analysis of climatic and socio–economic determinants of Rocky Mountain spotted fever. PloS one11(3), p.e0150180. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0150180 )

Raghavan, R.K ., Goodin, D.G., Hanzlicek, G.A., Zolnerowich, G., Dryden, M.W., Anderson, G.A. and Ganta, R.R., 2016. Maximum entropy-based ecological niche model and bio-climatic determinants of lone star tick (Amblyomma americanum) niche. Vector-Borne and Zoonotic Diseases16(3), pp.205-211. ( https://www.liebertpub.com/doi/abs/10.1089/vbz.2015.1837 )

Boysen, C., Davis, E.G., Beard, L.A., Lubbers, B.V. and Raghavan, R.K., 2015. Bayesian geostatistical analysis and ecoclimatic determinants of Corynebacterium pseudotuberculosis infection among horses. PLoS One10(10), p.e0140666. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0140666 )

Raghavan, R.K ., Saunders, A.B., Goodin, D.G., Anderson, G.A. and Harkin, K.R., 2015. Geospatial risk factors of canine American trypanosomiasis (Chagas disease)(42 cases: 2000–2012). Vector-Borne and Zoonotic Diseases15(10), pp.602-610. ( https://www.liebertpub.com/doi/abs/10.1089/vbz.2014.1754 )

Boysen, C., Davis, E., Raghavan, R.K., Beard, L., Lubbers, B. and Farfan, M., 2015. Bayesian geostatistical and environmental risk factors of pigeon fever: E25. Journal of Veterinary Internal Medicine29(4), pp.1236-1237.

Raghavan, R.K ., Neises, D., Goodin, D.G., Andresen, D.A. and Ganta, R.R., 2014. Bayesian spatio-temporal analysis and geospatial risk factors of human monocytic ehrlichiosis. PloS one9(7), p.e100850. ( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0100850 )

Raghavan, R.K ., Almes, K., Goodin, D.G., Harrington Jr, J.A. and Stackhouse Jr, P.W., 2014. Spatially heterogeneous land cover/land use and climatic risk factors of tick-borne feline cytauxzoonosis. Vector-Borne and Zoonotic Diseases14(7), pp.486-495. ( https://www.liebertpub.com/doi/abs/10.1089/vbz.2013.1496 )

Raghavan, R.K ., Harrington Jr, J., Anderson, G.A., Hutchinson, J.S. and DeBey, B.M., 2013. Environmental, climatic, and residential neighborhood determinants of feline tularemia. Vector-Borne and Zoonotic Diseases13(7), pp.449-456. ( https://www.liebertpub.com/doi/abs/10.1089/vbz.2012.1234 )

Raghavan, R.K ., Brenner, K.M., Harrington Jr, J.A., Higgins, J.J. and Harkin, K.R., 2013. Spatial scale effects in environmental risk-factor modelling for diseases. Geospatial health7(2), pp.161-168. ( http://eprints.bice.rm.cnr.it/9181/ )

Raghavan, R.K ., Brenner, K.M., Higgins, J.J., Hutchinson, J.S. and Harkin, K.R., 2012. Evaluations of hydrologic risk factors for canine leptospirosis: 94 cases (2002–2009). Preventive veterinary medicine107(1-2), pp.105-109. ( https://www.sciencedirect.com/science/article/pii/S0167587712001432 )

Raghavan, R.K ., Brenner, K.M., Higgins, J.J., Hutchinson, J.S. and Harkin, K.R., 2012. Neighborhood-level socioeconomic and urban land use risk factors of canine leptospirosis: 94 cases (2002–2009). Preventive Veterinary Medicine106(3-4), pp.324-331. ( https://www.sciencedirect.com/science/article/pii/S0167587712001341 )

Raghavan, R.K , Brenner, K., Higgins, J., Van der Merwe, D. and Harkin, K.R., 2011. Evaluations of land cover risk factors for canine leptospirosis: 94 cases (2002–2009). Preventive veterinary medicine101(3-4), pp.241-249. ( https://www.sciencedirect.com/science/article/pii/S0167587711001589 )