incubation period vs. latent period
incubation - period between exposure and onset of symptoms, for infectious disease, usually for infectious disease
latent - period between exposure and infectiousness, usually for chronic disease (also could mean incu period for chronic diseases, usually not)
analytic vs descriptive epidemiology
yada
prevalence vs incidence
prevalence - total amount of cases during a period of time
incidence - amount of new cases during a period time only
specificity vs sensitivity
yqada
infectivity vs pathogenicity vs virulence
yada