➢ First epi transition: rise in infectious diseases accompanying Neolithic period, settlements ➢ Second epi transition: Industrialization: rise in chronic disease combined with increase in public health infrastructure→ infectious diseases decline ➢ Third epi transition (1980's)-globalization and neoliberal restructuring→ infectious disease reemergence A danger in following the health transition model too closely, because then people aren't prepared for infectious disease outbreaks