The Long RunIn 13.8 million older French adults, a high-dose flu shot was linked to fewer flu hospitalizations
A nationwide French study followed almost everyone aged about 65 and over through one flu season. Vaccinated people were hospitalized for flu less often, and the high-dose vaccine was linked to more protection than standard ones, mainly from age 70. It is an observational preprint, not yet peer-reviewed.
Observational study in people