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.
Most healthy adults will exhibit only mild symptoms with an E. coli infection; children, the elderly, and the immunocompromised are at greater risk of more serious illness, including invasion of the bacteria into the bloodstream (sepsis) and death.