An analysis of the influence of age and school-attendance status on the spread of variola minor.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D006801:Humans; D008954:Models, Biological; D011336:Probability; D012899:Smallpox / Q000635:transmission*