Emerging Infectious Disease ISSN: 1080-6059
Volume 14, Number 2—February 2008
Research
Streptococcus pneumoniae Serotype 19A in Children, South Korea
Figure 4

Figure 4. Distributions of sequence types (STs) of serotypes 19A and 19F during five 3-or 4-year periods from 1991 through 2006, South Korea. A) Invasive isolates. B) Noninvasive isolates. *Indicates 11 different STs that contained 1 isolate of serotype 19F.
Lessons from the History of Quarantine, from Plague to Influenza A
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