E Effler, M Isaäcson, L Arntzen, R Heenan… - Emerging infectious …, 2001 - ncbi.nlm.nih.gov
In 1992, a large outbreak of bloody diarrhea caused by Escherichia coli O157 infections
occurred in southern Africa. In Swaziland, 40,912 physician visits for diarrhea in persons …