1. An Evolutionary Perspective on the Origin and Spread of Emerging Infectious Diseases Open Access Author: Firth, Cadhla Brooke Title: An Evolutionary Perspective on the Origin and Spread of Emerging Infectious Diseases Graduate Program: Biology Keywords: nucleotide substitution ratescodivergencephylogeographyDNA virusesRNA virusesemerging infectious diseases File: Download Firth.Dissertation.pdf Committee Members: Benjamin Edward Holmes, Dissertation Advisor/Co-AdvisorAndrew Fraser Read, Committee Chair/Co-ChairBryan T Grenfell, Committee MemberAnton Nekrutenko, Committee MemberEdward C Holmes, Committee Member