What Flu Is Going Around December 2025. Cdc uses the estimates of the burden of flu in the population and the impact of flu vaccination to inform policy and communications related to flu. Combined, the winter viruses are taking up around 5% of beds, but dr boyle said that was enough to cause real problems because hospitals were already so busy going into.

Weekly overview of key trends in influenza (flu) activity in canada. This web page provides weekly, preliminary.