title: Risk of contact vaccinia from immunization sites.
authors.forename: David
authors.initials: D
authors.lastname: Lesser
mesh_terms: D006801:Humans; D012306:Risk; D012900:Smallpox Vaccine / Q000009:adverse effects*; D014611:Vaccination / Q000009:adverse effects; D014615:Vaccinia / Q000635:transmission*
chemical_list: D012900:Smallpox Vaccine