News & Perspective

Jul 02, 2019

Jul 02, 2019
Flu shot

Poor late-season protection limited flu vaccine impact for 2018-19

Vaccine effectiveness was 44% for the H1N1 strain but essentially zero for H3N2.

Jun 24, 2019

Jun 24, 2019
Young children in Gambia

Study indicates better immune response with change to nasal flu vaccine

Researchers find an increase in vaccine virus shedding and seroconversion.

May 02, 2019

May 02, 2019
DNA segment

High-tech fix offers hope for tackling H3N2 vaccine problems

Researchers used CRISPR to modify cells to overexpress human virus receptors.

Mar 21, 2019

Mar 21, 2019
Flu vaccine filling syringe from vial

WHO reveals delayed pick for H3N2 flu vaccine strain

The H3N2 recommendation reflects a change from the current Northern Hemisphere vaccine.

Feb 21, 2019

Feb 21, 2019
Flu vaccine syringe in doctor's hands

WHO changes H1N1 flu vaccine strain, punts on H3N2

The experts plan to announce a decision on the H3N2 strain on Mar 21.

Feb 14, 2019

Feb 14, 2019
Syringe in flu vaccine vial

Early US flu vaccine analysis finds moderate protection

Protection against flu was 47% overall and 46% against the predominant H1N1 strain.

Jan 07, 2019

Jan 07, 2019
Child receiving flu shot

Review shows flu shot bests FluMist against H1N1 in kids

For the flu shot, effectiveness was 67%, and for FluMist it was a not-significant 20%.

Dec 18, 2018

Dec 18, 2018
Flu shot in older man

Study: Cell-based flu vaccine just a bit better than egg-based

A cell-based vaccine protected about 10% better than a standard vaccine but not a high-dose version.

Oct 26, 2018

Oct 26, 2018
Flu shot

Study: Kids' flu vaccine protection not reduced by prior vaccination

Prior vaccination did not reduce the subsequent season's vaccine effectiveness in children 2 to 17 years old.

Oct 26, 2018
Flu vaccination

Review of severe 2017-18 flu season shows drop in vaccination

Save for the 2009-10 pandemic, the season was the worst in recent years.

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