About The Study: This study provides evidence of the clinical effectiveness of mRNA-based vaccines against COVID-19 in patients with cancer. Longevity of immunity in preventing severe COVID-19 outcomes in actively treated patients with cancer, cancer survivors, and matched controls was observed at least five months after the third or fourth dose.
Authors: Raghav Sundar, M.B.B.S., Ph.D., of the National University Health System in Singapore, and Kelvin Bryan Tan, Ph.D., of the Ministry of Health in Singapore, are the corresponding authors.
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(doi:10.1001/jamaoncol.2023.2271)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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JAMA Oncology