10.3: Disease Patterns Last updated Save as PDF Page ID 8688 Boundless Boundless 10.3A: Predisposing Factors The spread and severity of infectious disease is influenced by many predisposing factors. 10.3B: Disease Development 10.3C: Disease Reservoirs and Epidemics 10.3D: Infectious Disease Transmission Defining the means of transmission of a pathogen is important in understanding its biology and in addressing the disease it causes. 10.3E: Ecology, Epidemiology, and Evolution of Pathogens 10.3F: Safety in the Microbiology Laboratory 10.3G: Finding Patient Zero and Tracking Diseases