Though COVID wastewater and test positivity are higher than last year at this time, medical encounters are trending lower.
Flu and COVID indicators continued upward trends, with different regions reporting the most intensive activity.
Nirsevimab was 83.2% effective in preventing hospitalization for RSV-associated lower respiratory tract infections.
Emergency department visits for COVID were highest in infants and older adults.
The researchers say healthcare providers, public health officials must encourage vaccination, especially for those at highest risk.
Levels for three viruses are elevated or rising, as the CDC warned of further impacts and urged stepped-up vaccination.
With vaccine uptake low, the CDC warns of an urgent need to increase vaccine coverage for flu, COVID-19, and RSV.
This age-group is at higher risk for severe RSV and death because of age-related immune-system weakening and a higher rate of underlying medical conditions.
The additional doses are on top of 77,000 made available in November.
As COVID markers show growing momentum, the nation's flu season continues to gain steam.