Smallpox update.
Chang
Deborah
D
Department of Health and Mental Hygiene, Office of Public Health Preparedness and Response, 201 W. Preston Street, Baltimore, Maryland 21201, USA.
Matuszak
Diane
D
D006801:Humans; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000009:adverse effects* / Q000627:therapeutic use*
D012900:Smallpox Vaccine