News & Perspective

Oct 11, 2018

Oct 11, 2018
Pregnancy checkup

Study: Vaccine prevents flu hospitalization in pregnant women

Flu vaccination during pregnancy may cut a woman's chance of hospitalization by 40%.

Dec 29, 2017

Dec 29, 2017
thermometer

CDC: Flu rises sharply, now widespread in 36 states

Flu hospitalizations are also on the rise, with the highest levels in seniors, a pattern often seen in H3N2-dominant seasons.

Sep 11, 2017

Sep 11, 2017
Nasal spray flu vaccine

Performance of inhaled flu vaccine confounds experts

Experts ponder why FluMist performed poorly in the US but well elsewhere.

Apr 05, 2016

Apr 05, 2016
Flu shot

Study: Prior-year vaccination cut flu vaccine effects in 2014-15

Those vaccinated 3 years in a row appeared to fare the worst in 2014-15 against H3N2 flu, but experts say it's still beneficial to get a flu shot each year.

Feb 05, 2015

Feb 05, 2015
Photo of puzzle pieces

UK, Canada add to bad news on this year's flu vaccine

Researchers in both places found vaccine effectiveness to be well below the already-low US numbers.

Mar 28, 2014

Mar 28, 2014
H3N2 influenza

Study: Mutations during egg step cut last year's flu vaccine effectiveness

Canadian scientists may have solved the mystery of low vaccine efficacy against the H3N2 strain.

Mar 01, 2013

Mar 01, 2013

Study: Getting flu shot 2 years in a row may lower protection

(CIDRAP News) – Experts are puzzled by a new study in which influenza vaccination seemed to provide little or no protection against flu in the 2010-11 season—and in which the only participants who seemed to benefit from the vaccine were those who hadn't been vaccinated the season before.

Feb 21, 2013

Feb 21, 2013

CDC midseason check finds scant flu vaccine effect for seniors

(CIDRAP News) – Influenza vaccine over the past few months has provided moderate protection overall but didn't have a significant impact on protecting seniors, a study from the US Centers for Disease Control and Prevention (CDC) revealed today.

Feb 14, 2013

Feb 14, 2013

Euro studies show flu vaccine working best against type B

(CIDRAP News) – New European studies reported today in Eurosurveillance suggest that this year's influenza vaccine is providing good protection against influenza B viruses but only moderate protection against type A—findings more or less consistent with earlier results in the United States.

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