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Bryan Grenfell is a population biologist whose research focuses on the interface between theoretical models and empirical data. His lab investigates the population dynamics of infectious diseases, particularly the epidemiological and evolutionary dynamics of disease control and vaccination strategies. He is especially interested in understanding the nonlinear spatio-temporal dynamics of acute immunizing infections and how these are affected by various control strategies. His ongoing research includes a comparative analysis of the dynamics of several pathogens, such as measles, influenza, rotavirus, RSV, Norovirus, HIV, HCV, and veterinary morbilliviruses. Additionally, the lab explores phylodynamics, focusing on how pathogen phylogenies are influenced by host immunity, transmission bottlenecks, and epidemic dynamics at both the individual host and population levels. Grenfell's recent work has delved into measles dynamics in developing countries and the implications of vaccine refusal, as well as the spatiotemporal dynamics of human influenza in the U.S.A. He has also linked within-host population dynamics across human, equine, and avian influenza. Current and upcoming projects include the dynamics and control of HIV, Shigella, typhoid, and hand, foot, and mouth disease (HFMD).
GRE scores are not accepted. Ph.D. is the primary degree; students are not required to hold an M.S.E. prior to admission.