It is important to note that the CDC's map monitors visits to the doctor for ILI symptoms such as a fever, cough ... the flu, stay home from work or school and isolate yourself from your family ...
Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...
The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.