Flu remains widespread, but indicators show a pause
In its Weekly U.S. Influenza Surveillance Report (FluView) published January 15, 2026, the Centers for Disease Control and Prevention said seasonal influenza activity remained elevated nationally. However, the agency noted that activity had decreased or remained stable for two consecutive weeks, offering a measure of cautious relief after the winter surge.
The CDC emphasized that influenza surveillance data are preliminary and can change as additional reports are received. Even when the trend is improving, public health officials watch for uneven patterns across regions, including outbreaks that can intensify in specific areas while the national picture appears stable.
Why the CDC is watching for another post-holiday rise
The CDC also highlighted a recurring seasonal pattern: a second period of increased influenza activity can occur after the winter holidays. Travel, indoor gatherings, school schedules, and delayed healthcare visits can all influence when community transmission rises and falls.
For hospitals and clinics, this warning matters operationally. A temporary dip can provide breathing room, but staffing and capacity planning must account for the possibility of renewed demand, especially when other winter pressures—like respiratory syncytial virus (RSV), COVID-19 waves, or weather-related injuries—overlap.
What people can do as the season continues
Public health messaging typically emphasizes staying up to date on flu vaccination, using layered prevention in high-risk settings, and taking symptoms seriously—particularly for older adults, young children, pregnant people, and those with chronic conditions. Individuals who are sick are generally encouraged to limit close contact with others, especially in indoor spaces, to reduce spread.
As January progresses into February, the direction of flu trends can change quickly. The CDC’s note about a possible second rise is a reminder that a better week does not necessarily mean the season’s peak has passed everywhere.
What to watch next
Upcoming FluView reports will clarify whether the mid-January stabilization continues or reverses. Key indicators to track include outpatient visits for influenza-like illness, laboratory test positivity, and hospitalization rates. If the post-holiday bump materializes, public health agencies may increase outreach on vaccination, antiviral treatment timing, and risk-reduction strategies for crowded indoor settings.