Related Items   from Encarta  
Smallpox
first vaccine against smallpox
last known case of smallpox
disease epidemics
viral diseases
biological weapon use
potential
use by British in Colonial America
diagrams and illustrations
epidemics among native peoples
eradication of smallpox
history
immunization against smallpox
mousepox, related to smallpox
partial list of human diseases caused by viruses
pictures related to smallpox
quotations
research and study
symptoms
treatment using sunlight
Chemical and Biological Warfare
Chemical and Biological Warfare, use of harmful or deadly chemical or biological agents as weapons of war. These agents can kill many people and are...
 View article
© 2008 Microsoft