Emerging Infectious Disease ISSN: 1080-6059
Volume 13, Number 6—June 2007
Research
Strategies to Reduce Person-to-Person Transmission during Widespread Escherichia coli O157:H7 Outbreak
Figure 1

Figure 1. Conceptual model for disease transmission. Solid lines represent movement of persons between epidemiologic states; dotted lines represent routes of exposure.
New Flu Virus in Pigs Exhibited at Fairs in Ohio
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