Of the 249 cases of swine flu in Virginia, 2 percent, or five total have been in the Thomas Jefferson health region, which includes Greene, Fluvanna, Albemarle, Nelson and Louisa counties. Two have been UVA employees, and Marge Sidebottom, University director of emergency preparedness, says she expects there to be more. So, as the fall approaches and Charlottesville becomes congested with students, UVA officials are preparing for the possible increase of swine flu cases.