Emerging Infectious Disease ISSN: 1080-6059
Volume 9, Number 1—January 2003
Research
Highly Endemic, Waterborne Toxoplasmosis in North Rio de Janeiro State, Brazil
Figure

Figure. Serum prevalence by socioeconomic group and age for the lower, middle, and upper socioeconomic (SE) populations.
Lessons from the History of Quarantine, from Plague to Influenza A
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