 I have no idea where she's at. There is a public health emergency in the United States as cases of dengue fever soar. As of May, there have been 49 states with reported cases, including North Carolina. Dr. Carl Spears, a physician at Mission Hospitals in Asheville, tells NCN News... Avoid times of day when mosquitoes are most prevalent, and that's, you know, dusk and dawn, you know, the twilight hours when mosquitoes are very prevalent. You're listening to NCN News.