Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

Seasonal flu activity is elevated across most of the country, according to the latest reports from the Centers for Disease Control and Prevention, and experts say this is expected to continue for ...

Flu activity in the U.S. has decreased for three weeks, but CDC expects several more weeks of influenza.

Flu activity continues to decline in US, latest CDC data shows For the second consecutive week, flu activity in the U.S. has decreased.

Though flu activity has gone down, the CDC expects several more weeks of influenza. Data suggests the season has peaked, but flu-related medical visits, hospitalizations and deaths remain elevated.

Flu activity in the U.S. has decreased for three weeks, but CDC expects several more weeks of influenza.

Though flu activity has gone down, the CDC expects several more weeks of influenza. Data suggests the season has peaked, but flu-related medical visits, hospitalizations and deaths remain elevated.

Flu activity continues to decline in US, latest CDC data shows For the second consecutive week, flu activity in the U.S. has decreased.

Flu activity in the U.S. has decreased for three weeks, but CDC expects several more weeks of influenza.