Visitors can see a county-by-county breakdown of the cities currently impacted by cold and flu symptoms, as well as those cities expected to see an increase in the weeks ahead, on the WebMD Cold and Flu Interactive Map. According to the WebMD Cold and Flu Map, the top five cities anticipated to experience the highest levels of cold and flu symptoms are Sponsored by RB, a leading consumer health and hygiene company, the WebMD Cold and Flu interactive map leverages various data sources, including millions of WebMD Symptom Checker checks per month, to present a real-time analysis of the spread of cold and flu so that consumers can take preventative measures to keep themselves and their families healthy during the holidays.