Weighing Smallpox Strategies.

Cites a study published in the November 15 issue of the journal 'Science' which state that the best way to prevent a smallpox outbreak from a bioterrorist attack is to immunize the U.S. people who come into contact with infected people. Difference with recommendations made by the U.S. Centers for Disease Control and Prevention; Development of a computer model to predict the effective strategies for smallpox.