The South and West have the highest flu levels, while COVID levels are highest in the Midwest.
The report urges citizens and healthcare workers not yet vaccinated against COVID-19 or seasonal flu to do so as soon as possible before next week's holidays.
Following Listeria outbreaks and recalls, an ongoing review identified several steps that can be quickly implemented.
Though previous trials have shown high vaccine effectiveness, most trialed adults were 75 years or older.
Flu activity continues to elevate, and COVID-19 markers are also starting to rise from very low levels.
Disease burden, hospitalization rates have stayed the same from 2017 to 2024.
The FDA says the hold is related to concerns about safety findings from a now-paused clinical trial of two RSV vaccine candidates in infants.
In its weekly respiratory illness snapshot, the CDC upgraded the level from low to moderate.
There were 24 cases of RSV infection through day 151 in the nirsevimab arm and 54 in the placebo arm.
But the risk of bacterial infections in COVID-19 patients was substantially elevated after 48 hours compared with the other viruses.
