The CDC estimates 19,000,000 illnesses, 250,000 hospitalizations, and 10,000 deaths due to flu this season.
A total of 70% of respondents in an Annenberg Public Policy Center survey say the vaccine is less risky for older adults than RSV infection.
Total RSV cases in children 12 months or younger were significantly lower in states with population-wide nirsevimab strategies.
The number of US jurisdictions reporting very high or high flu activity fell from the previous week, from 45 to 36.
Widespread immunization was tied to an 86% drop in hospital admissions.
Cases rise as government leaders minimize the need for vaccines.
The new analysis draws on data from more than 54,000 pregnancies.
The drug was 81% effective against RSV hospitalization.
For flu, the sensitivity of the definition was 76% and specificity was 31%; for RSV, those numbers were 71% and 39%, respectively.
Risks rose steeply from 30 days to 1 year for RSV and flu patients.