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This project is a prospective observational real-world study, recruiting and screening subjects who have completed 2 doses of the COVID-19 vaccine for more than 6 months and receive the third dose of the vaccine voluntarily into the clinical cohort of this study. Subjects received a third dose of the COVID-19 vaccine will be enrolled in the study and followed up for 1 year at baseline (day 0) before vaccine injection, 28 days after injection, 90 days, 270 days after injection. On the 365th day, blood samples were collected for the detection of anti-SARS-CoV-2 antibodies and other related indicators to evaluate the immune protection effect.
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Data sourced from clinicaltrials.gov
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