Emerging Infectious Disease ISSN: 1080-6059
Volume 9, Number 8—August 2003
Research
Molecular Analysis of Echovirus 13 Isolates and Aseptic Meningitis, Spain
Figure 1

Figure 1. Temporal distribution of the Spanish echovirus 13 isolates during 2000. The isolates were grouped attending to their geographic origin as from the Iberian Peninsula and from the Canary Islands. The number of viruses included in the study (in parentheses) as well as the total isolates per month are shown. *Includes three sequences obtained directly from cerebrospinal fluid.
Lessons from the History of Quarantine, from Plague to Influenza A
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