Volume 21, Number 8—August 2015
CME ACTIVITY - Synopsis
Escherichia coli O157 Outbreaks in the United States, 2003–2012
Figure 4

Figure 4. Single-state Escherichia coli O157 outbreaks (n = 346) by state and transmission mode, United States, 2003–2012. A) Foodborne transmission (n = 211); B) animal contact transmission (n = 39); C) person-to-person transmission (n = 39); D) waterborne transmission (n = 15). Curved line denotes 37°N latitude.