Volume 7, Number 5—October 2001
Research
Factors Contributing to the Emergence of Escherichia coli O157 in Africa
Figure 6

Figure 6. . Cattle grazing in a trickling stream bed, Lubombo, Swaziland, 1992. The nearly ubiquitous hoof prints, visible in the foreground, indicate cattle often frequented the stream beds. Photo credit: Paul Effler.