CDC says the flu vaccine will be less effective this year
The CDC says the flu vaccine will be less effective this year
Last year, the U.S. Centers of Disease Control and Prevention said that data indicated vaccines would reduce the risk of hospitalization by 50%. This year’s data indicates the 2025-25 season vaccine will reduce the risk by just 35%.
CDC warns flu vaccine may not be as effective in preventing hospitalization as previous seasons
Although the effectiveness of the vaccine in preventing hospitalizations appears to be lower in South America, the agency said vaccines still “significantly lowered the risk for hospitalization."
Flu vaccine efficacy against hospitalization may be lower this season: CDC
Early estimates on the effectiveness of this year’s flu vaccines indicate they may be less effective at preventing hospitalization than in years past, based on data from South America, where the annual flu season occurs earlier.
Flu vaccine lowered risk of hospitalization in Southern Hemisphere by 35%: CDC
This year's flu vaccine reduced the risk of hospitalization in the Southern Hemisphere but wasn't as effective as the one used in the prior season, a new CDC study found.
The Flu Vaccine Might Be Less Effective This Year
The CDC says the influenza vaccine being used this flu season might be less effective than the one used last flu season, based on reports of how well the vaccine is working in five South American countries.
Whooping cough outbreak five times worse than last year as vaccination rate drops
The whooping cough bacterial infection, also known as pertussis, is typically prevented with the DPT combination vaccine.
Last school year, fewer kindergartners were vaccinated, CDC says
In the 2023-24 school year, the CDC reported vaccine coverage among kindergartners decreased across all reported vaccines.
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