Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several more weeks." ...

Flu activity remains high and is increasing across many parts of the country. For the week ending Saturday, Jan. 18, 25 percent of tests returned positive for flu, up from 19 percent the previous week ...

However, the CDC said RSV activity has "peaked" in many areas of the U.S. There have been at least 12 million flu illnesses, 160,000 hospitalizations and 6,600 deaths so far this season ...