title: Take rates by double versus single insertions of smallpox vaccine in revaccinees.
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009500:Neutralization Tests; D012899:Smallpox / Q000276:immunology*; D012900:Smallpox Vaccine / Q000008:administration & dosage*; D013997:Time Factors; D014611:Vaccination / Q000295:instrumentation
chemical_list: D000906:Antibodies; D012900:Smallpox Vaccine