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Volume 10, Number 5—May 2004

Research

Ring Vaccination and Smallpox Control

Mirjam Kretzschmar*Comments to Author , Susan van den Hof*, Jacco Wallinga*, and Jan van Wijngaarden†
Author affiliations: *National Institute of Public Health and the Environment (RIVM), Bilthoven, the Netherlands; †Inspectorate of Health Care, the Hague, the Netherlands

Main Article

Figure 1

A, the transmission probability per contact by day of the infectious period; B, the probability distribution of the number of contacts with susceptible persons per day; C, the probability of remaining undiagnosed but infectious case by day of the infectious period; and D, the mean (solid line) and the 2.5% and 97.5% percentiles (dotted lines) of the number of infected persons for 500 simulation runs for an epidemic without any intervention after the introduction of one index case at the beginnin

Figure 1. A, the transmission probability per contact by day of the infectious period; B, the probability distribution of the number of contacts with susceptible persons per day; C, the probability of remaining undiagnosed but infectious case by day of the infectious period; and D, the mean (solid line) and the 2.5% and 97.5% percentiles (dotted lines) of the number of infected persons for 500 simulation runs for an epidemic without any intervention after the introduction of one index case at the beginning of this incubation period at t=0.

Main Article

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