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Flu vaccines didn't work that well in the US, officials find
This season's flu vaccine was 25%–30% effective for adults and 40% for children due to a poorly matched A(H3N2) subclade K strain, CDC data shows.
- This season's flu vaccines were around 25% to 30% effective in preventing adults from getting sick enough to seek medical treatment, while children who were vaccinated were about 40% less likely to need treatment.
- The new flu strain belonged to a category called A H3N2, with a version that seemed to spread more easily, likely contributing to the vaccine's lower effectiveness as it was built for a different H3N2 version.
- Despite lower effectiveness, the CDC estimates the flu caused at least 27 million illnesses, 350,000 hospitalizations, and 22,000 deaths this season, with 101 child deaths, and health officials still recommend getting vaccinated to prevent severe illness and death.
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Press-Telegram+4 Reposted by 4 other sources
Flu vaccines didn’t work that well in the US, officials find
As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more than a decade. A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense early onslaught of flu.
Associated Press News+30 Reposted by 30 other sources
Flu vaccines didn't work that well in the US, officials find
As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more than a decade.
·United States
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Coverage Details
Total News Sources40
Leaning Left8Leaning Right4Center26Last UpdatedBias Distribution68% Center
Bias Distribution
- 68% of the sources are Center
68% Center
L 21%
C 68%
11%
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