title: Smallpox in Sierra Leone. I. Epidemiology.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D001947:Breeding; D002244:Carbon; D002417:Cattle; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D005260:Female; D005655:Funeral Rites; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D008906:Mining; D012424:Rural Population; D012621:Seasons; D012807:Sierra Leone; D012899:Smallpox / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D012959:Socioeconomic Factors; D014887:Weather
chemical_list: D002244:Carbon