TY - GEN AU - Snyder,Kim M TI - Smallpox and smallpox vaccination SN - 1533-4406 PY - 2003///0514 KW - Bioterrorism KW - Disease Outbreaks KW - prevention & control KW - Humans KW - Models, Biological KW - Smallpox KW - epidemiology KW - Smallpox Vaccine KW - administration & dosage KW - Time Factors KW - Variola virus KW - pathogenicity N1 - Publication Type: Comment; Letter ER -