Volume 21, Number 11—November 2015
Research
USA300 Methicillin-Resistant Staphylococcus aureus, United States, 2000–2013
Figure 5

Figure 5. Proportion of methicillin-resistant Staphylococcus aureus USA300 and USA100 strain types and total sample size in 4 Census regions, United States 2000–2013. A) West. B) Midwest. C) Northeast. D) South. Linear regression lines are fit for each type. Solid line, USA300; dashed line, USA100.
1These authors contributed equally to this article.