Andrew is an Associate Scientist in the Department of Epidemiology. His work focuses on understanding the spatio-temporal dynamics of enteric pathogens, like cholera, and strategies to best control outbreaks. In addition, Andrew works on methods for estimating intervention effects, particularly vaccine, with observational study designs. Andrew earned his PhD in epidemiology and MHS in biostatistics from Johns Hopkins Bloomberg School of Public Health. Before coming to Hopkins, Andrew received his B.S. and M.S. in Environmental Engineering from University of Colorado and practiced as an engineer.

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