Emerging Infectious Disease ISSN: 1080-6059
Volume 18, Number 4—April 2012
Research
Identification of Risk Factors for Chronic Q Fever, the Netherlands
Figure 1

Figure 1. Enrollment, selection, and inclusion criteria forcase-patients and controls for case–control study to identify risk factors for chronic Q fever, the Netherlands.
New Flu Virus in Pigs Exhibited at Fairs in Ohio
Length: 11:58





