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Nita Bharti

Nita Bharti

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Assistant Professor of Biology, Lloyd Huck Early Career Professor

W253 Millennium Science Complex

University Park, PA 16802
Phone: (814)863-9545


  1. 2005-2009, Penn State University, State College, PA
  2. Ph.D. Biology (Center for Infectious Disease Dynamics)
  3. 2002-2004, Penn State University, State College, PA
  4. M.A. Biological Anthropology
  5. 1996-2000, University of Michigan, Ann Arbor, MI
  6. B.S. Biology, Anthropology-Zoology (honors)

Postdoc Training

  1. 2009-2012, Princeton University, Princeton, NJ
  2. Postdoctoral Research Associate
  3. Department of Ecology and Evolutionary Biology
  4. Woodrow Wilson School of Public & International Affairs

Honors and Awards

  1. 2012-2017 Branco Weiss-Society in Science Fellow
  3. Huck Early Career Professorship Chair

Selected Publications

Bharti, N., Tatem, A. (2018) Fluctuations in anthropogenic nighttime lights from satellite imagery for five cities in Niger and Nigeria. Nature, Scientific Data 5:108256, doi:

open access reprint       ScholarSphere open access data and code


Bharti, N., Djibo, A., Tatem, AJ, Grenfell, BT, Ferrari, MJ. (2016) Measuring populations to improve vaccination coverage. Nature, Scientific Reports 6:34541, doi 10.1038/srep34541

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Bharti, N., Lu, X., Bengtsson, L., Wetter, E., Tatem, A. (2015) Remotely measuring populations during a crisis by overlaying two data sources. International Health 7(2):90-98 doi: 10.1093/inthealth/ihv003 

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Halloran, M.E, Vespignani, A., Bharti, N., Feldstein LR, Alexander KA, Ferrari MJ, Shaman J, Drake JM, Porco T, Eisenberg JNS, Del Valle SY, Lofgren E, Scarpino SV, Eisenberg MC, Gao D, Hyman JM, Eubank S, Longini RM. (2014) Ebola: Mobility data. Science 346(6208):433

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Bharti, N. (2014) The importance of movement in environmental change and infectious disease. Institute of Medicine's Forum on Microbial Threats workshop summary on The Influence of Global Environmental Change on Infectious Disease Dynamics.

Lu, X., Wetter, E., Bharti, N., Tatem, A., Bengtsson, L. (2013) Approaching the limits of predictability in human mobility. Nature, Scientific Reports 3(2923): 1-9 doi: 10.1038/srep02923

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Tatem, A., Adamo, S., Bharti, N., Burgert, C., Castro, M., Dorelien, A., Fink, G., Linard, C., Mendelsohn J., Montana, L., Montgomery, M., Nelson, A., Noor, A., Pindolia, D., Yetman G., and Balk, D. (2012) Mapping populations at risk: improving spatial demographic data for infectious disease modeling and metric derivation. Population Health Metrics 10(8):1-14 doi:10.1186/1478-7954-10-8 Review Article

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Bharti, N., Tatem A., Ferrari, M., Grais, R., Djibo, A., Grenfell, B. (2011) Explaining seasonal fluctuations of measles in Niger using nighttime lights imagery. Science 334(6061):1424-1427. doi: 10.1126/science.1210554

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Bharti, N., Broutin, H., Ferrari, M., Grais, R., Djibo, A., Tatem, A., Grenfell, B. (2011) Spatial dynamics of meningitis in Niger: observed patterns in comparison with measles. Epidemiology and Infectiondoi:10.1017/S0950268811002032

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Metcalf, C.J.E., Bjornstad, O.N., Ferrari, M.J., Klepac, P., Bharti, N., Lopez-Gatall, H., Grenfell, B.T. (2010) The epidemiology of rubella in Mexico: seasonality, stochasticity, and regional variation. Epidemiology and Infection139:1029-1038.

Bharti, N., Djibo, A., Ferrari, M., Grais, R., Tatem, A., McCabe, C., Bjornstad, O., Grenfell, B. (2010) Measles hotspots and epidemiological connectivity.  Epidemiology and Infection 138:1308-1316.

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Ferrari, M., Djibo, A., Grais, R.F., Bharti, N., Grenfell, B.T., Bjornstad, O.N. (2010) Rural-urban gradient in seasonal forcing of measles transmission in Niger. Proc Biol Sci 277(1695):2775-82.


Ferrari, M., Grais, R., Bharti, N., Conlan, A., Bjornstand, O., Wolfson, L., Guerin., P., Djibo, A., Grenfell, B. (2008) The dynamics of measles in sub-Saharan Africa. Nature 451, 679-684. doi:10.1038/nature06509

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Bharti, N., Xia, Y., Bjornstand, O., Grenfell, B. (2008) Measles on the edge: coastal heterogeneities and disease modeling. PloS ONE 3(4): e1941. doi:10.1371/journal.pone.0001941

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Finkelman, B., Viboud, C., Koelle, K., Ferrari, M., Bharti, N., Grenfell, B. (2007) Global patterns in seasonal activity of influenza A/H3N2, A/H1N1, and B from 1997 to 2005: Viral coexistence and latitudinal gradients. PloS ONE 2(12): e1296. doi:10:1371/journal.pone.0001296