ReviewAge and ageing2021
Efficacy and safety of COVID-19 vaccines in older people.
Review in Age and ageing, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 175 papers, 4 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
175 citing papers in PubMed, 4 syntheses or guidelines pooled it, 322 citations in OpenAlex.
- A systematic review and meta-analysis of the effectiveness and safety of COVID-19 vaccination in older adults.Frontiers in immunology · 2023Pooled it
- Caregivers' experiences and perspectives on caring for the elderly during the COVID-19 pandemic: A qualitative systematic review.Journal of nursing management · 2022Pooled it
- Determinants of COVID-19 Vaccine Engagement in Algeria: A Population-Based Study With Systematic Review of Studies From Arab Countries of the MENA Region.Frontiers in public health · 2022Pooled it
- Underrepresentation of older adults in clinical trials on COVID-19 vaccines: A systematic review.Ageing research reviews · 2021Pooled it
- Immunogenicity of BNT162b2 as a first booster after a ChAdOx1 primary series in a Thai geriatric population living with frailty.The journal of nutrition, health & aging · 2024Trial
- Physical Activity Patterns, Psychosocial Well-Being and Coping Strategies Among Older Persons with Cognitive Frailty of the "WE-RISE" Trial Throughout the COVID-19 Movement Control Order.Clinical interventions in aging · 2021Trial
- A scoping review of randomised controlled trials of vaccines that recruited care home residents: lessons for future trials.Age and ageing · 2025Article
- Physical activity during COVID-19 pandemic: A 5-year retrospect.Sports medicine and health science · 2025Review
- Article
- Population-Based Analysis of Vaccination Status and Post-Vaccination Adverse Events in Adults Aged 55 and Older.Journal of clinical medicine · 2025Article
- COVID-19 Vaccines Effectiveness and Safety in Trinidad and Tobago: A Systematic Review and Meta-Analysis.Microorganisms · 2025Review
- SARS-CoV-2 Vaccine-Induced Seroconversion and Immune Correlates in Patients with Hematological Malignancies. A Real World Study.Oncology research · 2025Article
- Nucleic acid vaccines: innovations, efficacy, and applications in at-risk populations.Frontiers in immunology · 2025Review
- Longitudinal Follow-Up of the Specific Antibody Response to SARS-CoV-2 Vaccination in Colombia.Journal of medical virology · 2025Observational
- Disparities in anti-SARS-CoV-2 reactivity according to vaccines administered in the era of omicron in Cameroon: Lessons for future outbreak response.PLOS global public health · 2025Article
- Factors influencing antibody response after COVID-19 recombinant protein vaccination in adults: A cross-sectional observational study, in Chongqing, China.Human vaccines & immunotherapeutics · 2024Observational
- COVID-19 vaccine safety and effectiveness at 3 months in institutionalized old people.BMC geriatrics · 2024Article
- Identification of research gaps to improve care for healthy ageing:Family medicine and community health · 2024Article
- Vaccination status and self-reported side effects after SARS-CoV-2 vaccination in relation to psychological and clinical variables in patients with multiple sclerosis.Scientific reports · 2024Article
- Modeling mortality prediction in older adults with dementia receiving COVID-19 vaccination.BMC geriatrics · 2024Article
115 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
Several vaccines against coronavirus disease 2019 (COVID-19) are on the cusp of regulatory approval. Their safety and efficacy in older people is critical to their success. Even though care home residents and older people are likely to be amongst the first to be vaccinated, these patient groups are usually excluded from clinical trials. Data from several Phase II trials have given cause for optimism, with strong antibody responses and reassuring safety profiles but, with the exception of AstraZeneca's vaccine, recruited few older people. Overall, the sparse data from Phase II trials suggest a reduction in both antibody responses and mild to moderate adverse events in well older people compared to younger participants. Many of the Phase III trials have made a conscious effort to recruit older people, and interim analyses of the Pfizer and Moderna vaccine have led to press releases announcing high degrees of efficacy. However, older people with co-morbidities and frailty have once again been largely excluded and there are no published data on safety and efficacy in this group. Although the speed and impact of the pandemic on older people with frailty justify an approach where they are offered vaccination first, patients and their carers and supervising health care professionals alike will need to make a decision on accepting vaccination based on limited evidence. Here we review the main candidate vaccines that may become available, with a focus on the evidence of safety and efficacy in older people.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.