Flu Vaccine Shows Reduced Efficacy in Latest CDC Report

New data from South America indicates this year's flu shot lowers hospitalization risk by 34%, below typical expectations.

CDC's Morbidity and Mortality Weekly Report highlights a 34.5% reduction in flu-related hospitalizations among high-risk groups in South America.
The vaccine's effectiveness is lower than the usual 50% target, raising concerns for the Northern Hemisphere's upcoming flu season.
Researchers stress that while the efficacy is lower, the vaccine still significantly reduces the risk of severe illness.
Flu vaccination rates have declined post-pandemic, with less than half of Americans over six months old receiving the shot in recent years.
Despite potential strain differences, health experts continue to recommend flu vaccination as the best preventive measure.