Emerging Infectious Disease ISSN: 1080-6059

Ring Vaccination and Smallpox Control

Mirjam Kretzschmar*

, 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 2

The time course of events in the process of transmission and intervention. The success of intervention is essentially determined by the time between start of the infectious period and diagnosis of the index case, and the time between the start of contact tracing and the vaccination of the contact.

Figure 2. The time course of events in the process of transmission and intervention. The success of intervention is essentially determined by the time between start of the infectious period and diagnosis of the index case, and the time between the start of contact tracing and the vaccination of the contact.

Main Article

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