Research Letter

COVID-19 Vaccine Effectiveness Among Older Adults

JAMA Network Open 10.1001/jamanetworkopen.2026.19040

June 15, 2026 at 11:00 AM EDT

Read the full article

This case-control study examines COVID-19 vaccine effectiveness against symptomatic SARS-CoV-2 infection among older adults in Europe.

Corresponding Author: Charlotte Laniece Delaunay, PhD, Epiconcept, 25 rue Titon, 75011 Paris, France (c.laniece@epiconcept.fr).

Link to the article in your story

We encourage you to link out to this article in your story using the link below. It includes an access token that will give free access to the article for your readers up to one year after publication. (The link will be live after the article publishes and embargo is lifted.)

Please see the article for additional information, including full author list, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

Need more information? Contact us.

Editor's Picks