Inoculation vaccinia--a hazard of the conjugal bed.
D005260:Female; D006801:Humans; D008297:Male; D012899:Smallpox / Q000517:prevention & control; D012900:Smallpox Vaccine; D014611:Vaccination; D014615:Vaccinia / Q000209:etiology* / Q000235:genetics
D012900:Smallpox Vaccine