Emerging Infectious Disease ISSN: 1080-6059
Volume 9, Number 8—August 2003
Research
Enzootic Transmission of Yellow Fever Virus in Peru
Figure 4

Figure 4. Schematic topographic cross-section through the southern Peruvian Amazon. Areas in red indicate river basins where yellow fever virus is endemic.
New Flu Virus in Pigs Exhibited at Fairs in Ohio
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