Smallpox vaccination of laboratory workers.
D000328:Adult; D001294:Attitude to Health; D002170:Canada; D000075202:Contraindications; D005260:Female; D006801:Humans; D008297:Male; D017056:Medical Laboratory Personnel / Q000523:psychology*; D008875:Middle Aged; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000008:administration & dosage*
D012900:Smallpox Vaccine