Research record

Effectiveness of high-dose versus standard-dose influenza vaccines against hospitalisation according to frailty risk: a prespecified analysis of the randomised trial DANFLU-2.

Randomized human study published by The lancet. Healthy longevity, indexed because it matched monitored longevity research terms. Inclusion in this index does not establish that an intervention is effective or safe.

Plain-language guide

Five questions to ask about this record

What this is
randomized-human record from The lancet. Healthy longevity.
Why it may matter
It matched a longevity topic and may show how that evidence area is developing.
Evidence
Automated topic match 100%; this is not a medical rating.
Main limitation
One research record does not prove safety, effectiveness, or usefulness for an individual.
What changed
Source metadata was published or refreshed September 17, 2026.
Where to verify
Open the primary source below for methods, population, results, and limitations.
Published
September 17, 2026
Journal
The lancet. Healthy longevity
Authors
Caroline Espersen, Niklas D Johansen, Daniel Modin, Kira H Janstrup, Matthew M Loiacono, Rebecca C Harris, Youjun Huang, Carsten S Larsen, Lykke Larsen, Lothar Wiese, Michael Dalager-Pedersen, Brian L Claggett, Katja V Bartholdy, Katrine F Bernholm, Julie I-M H Borchsenius, Filip S Davidovski, Lise W Davodian, Maria Dons, Lisa S Duus, Frederik H Fussing, Anne Marie R Jensen, Nino E Landler, Adam C F Langhoff, Mats C H Lassen, Anne B Nielsen, Camilla I Ottosen, Morten Sengeløv, Kristoffer G Skaarup, Scott D Solomon, Martin J Landray
DOI
10.1016/j.lanhl.2026.100894
Evidence class
randomized-human
Record status
published
Match confidence
100%
Source feed
PubMed
Automated source synopsis

Randomized human study published by The lancet. Healthy longevity, indexed because it matched monitored longevity research terms. Inclusion in this index does not establish that an intervention is effective or safe.

Evidence snapshot

What the source actually supports

Evidence stage
Randomized human study
Study design
Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
Evidence population
Human evidence
Participants
Not reported
Population
Not reported
Duration
Not reported
Intervention
Comparator
Not reported
Outcomes measured
Reported result
No reusable finding-level result is available in this record.

Main limitationBibliographic metadata identifies the record but does not provide enough reusable detail to summarize its population, comparison, findings, or effect size.

Safety and approvalThis index record does not establish safety, effectiveness, dose, or suitability for any person. A publication record is not a regulatory approval or treatment recommendation.

Source supportBibliographic citation metadata and controlled indexing terms only. Read the linked source for methods and results.

Evidence stage · randomized-humanThis describes the study type, not whether an intervention is safe or effective.
Lab or animalHuman studyRandomized trialEvidence synthesis
Why this record appears here · 100% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Frailty · 100%Title contains controlled term: frailty. Source terminology contains: frailty. Title supplies longevity context: frailty, frail. Study type is explicitly identified as Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't.

Automated source check 95% · update recency 100%. These figures help sort records; they are not medical ratings.

BibTeX · RIS

frailty
Read the original source →Export JSON