1 Follow the instructions on the screen to complete the installation. 2  From Windows Explorer, double-click a Visio drawing (.vsd, .vss, .vst, .vdx, .vsx, or .vtx extension). 3  An Internet Explorer window opens and loads Visio Viewer, which then loads and renders the drawing in the browser window. Double-click the VisioViewer.exe program file on your hard disk to start the setup program. 2  Follow the instructions on the screen to complete the installation. 3  From Windows Explorer, double-click a Visio drawing (.vsd, .vss, .vst, .vdx, .vsx, or .vtx extension).
Case definitionâ. Confirmed case. Laboratory confirmation of infection in a patient with or without clinical illness: isolation of verotoxin producing E. coli from appropriate specimen OR. detection of verotoxin antigen or nucleic acid.
Escherichia coli-a species that occurs normally in the intestines of humans and is a frequent cause of infections of the urogenital tract and of diarrhea in infants.. coli o157:h7 (hus). This particular strain of E. coli is suspected when bloody diarrhea, bloody stools, lack of fever, elevated leukocyte count, and abdominal tenderness are present. Stool cultures are used to tentatively identify the bacteria.