Effect of smallpox vaccination on the tuberculin test.
D002648:Child; D002675:Child, Preschool; D005188:False Negative Reactions; D006801:Humans; D007223:Infant; D012900:Smallpox Vaccine / Q000009:adverse effects*; D014374:Tuberculin Test / Q000592:standards*
D012900:Smallpox Vaccine