- Lower efficacy of COVID-19 mRNA vaccines in patients with frailty News-Medical.Net
- COVID-19 mRNA vaccine effectiveness against hospitalisation and death in veterans according to frailty status during the SARS-CoV-2 delta (B.1.617.2) variant surge in the USA: a retrospective cohort study The Lancet
- Adverse Events following COVID-19 Vaccination in Indian Population Medical Dialogues
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