Burden of disease ranking of the top 20 infectious diseases or pathogens using Ontario Burden of Infectious Disease Study (ONBOIDS) and Global Burden of Disease (GBD) study methodologies, Ontario, Canada.

a – denotes the change in rank of an infectious disease/pathogen from its rank using the ONBOIDS methodology to its rank using the GBD methodology.YLL = years of life lost to premature mortality; YERF = year-equivalents of reduced functioning; HALY = health-adjusted life years; YLD = years of life lived with disability; DALY = disability-adjusted life years.