Abstract
The Covid-19 epidemic and virus variants affect public health security worldwide continuously. Conducting Covid-19 vaccination economic evaluation by measuring the cost and outcomes helps governments or healthcare departments choose a better policy or adjust the vaccination policy periodically. We systematically reviewed the health economic evaluation studies on different immunization policies of vaccines in Covid-19. It is found that the existing studies still need to be improved. For model design, studies lack compelling predictions of dynamic transmission between epidemiological regions; for parameters, researchers reduce the selection of related indexes in cost calculation to simplify the model; for data collection, some research needs real-world data support. Therefore, comparative research should be conducted more dynamically and sustainably by improving the evaluation's quality and promoting standards and conclusions to strengthen the guiding role of vaccination economic evaluation in policy selection.
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