Nationally, the test positivity rate for the week ending on February 8, was 4.8 percent, according to the CDC's most recent ...

(NEXSTAR) – The map of flu activity across the United States ... according to the Centers for Disease Control and Prevention (CDC). The flu positivity rate from lab tests across the country ...

Twenty-five years after the disease was declared “eliminated” in the U.S., cases are rising again, with a Texas outbreak now ...

Each week, the CDC releases a map of influenza activity across the ... The northern and western regions of the country are now peaking, Patel noted. "Studies show that as it gets colder and ...