A Waterborne Outbreak of Escherichia coli O157:H7 Infections and Hemolytic Uremic Syndrome: Implications for Rural Water Systems 1
Sonja J. Olsen* , Gayle Miller†, Thomas Breuer*, Malinda Kennedy*, Charles Higgins‡, Jim Walford†, Gary McKee†, Kim Fox#, William Bibb*, and Paul S. Mead*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Wyoming Department of Health, Cheyenne, Wyoming, USA; ‡Wyoming Department of Agriculture, Cheyenne, Wyoming, USA; #United States Environmental Protection Agency, Cincinnati, Ohio, USA;
Figure 2. Reciprocal geometric mean and range of (a) immunoglobulin (Ig)M and (b) IgG (b) antibody titers to O157 lipopolysaccharide. The dotted line indicates the positive cutoff (IgM >1:320 and IgG >1:160).
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