Volume 11, Number 2, February 2005

Surveillance and Control Measures during Smallpox Outbreaks

Emma Kerrod,* Alasdair M. Geddes,† Martyn Regan,‡ and Steve Leach*
*Centre for Emergency Preparedness and Response, Health Protection Agency, Wiltshire, United Kingdom; †University of Birmingham, Edgbaston, Birmingham, United Kingdom; and ‡Health Protection Agency, Liverpool, United Kingdom

Figure 3. Spatial-temporal distribution of incidence of smallpox during outbreak, by district, Liverpool, 1902–1903 (7). *Incidence of smallpox per district (per 100,000) calculated as number of cases per district ÷ by district population x 100,000. New cases per district were counted from the locations given on the 4 maps in the original report for each of the periods above. District populations were tabulated separately (7).

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This page last reviewed January 21, 2005

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
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