Becker's Healthcare February 28, 2025
Preliminary estimates show the flu vaccine was up to 55% effective at preventing hospitalizations among adults this season, according to a Feb. 27 CDC report.
This season’s preliminary estimates come from four flu surveillance systems covering more than 150,000 inpatient and outpatient encounters nationwide between October 2024 and February 2025.
Four notes:
1. The flu vaccine was 41% to 55% effective at preventing hospitalizations among adults this season. For children and adolescents, these figures ranged from 63% to 78%.
2. The flu shot’s effectiveness at preventing outpatient visits ranged from 36% to...
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