In the United States, routine smallpox vaccination ended in
1972. The level of immunity remaining in the U.S. population is
uncertain, but is generally assumed to be quite low. Smallpox
is a deadly and infectious pathogen with a fatality rate of 30
percent. If smallpox were successfully deployed as an agent of
bioterrorism today, the public health and economic consequences
could be devastating. Toward a Containment... more...