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Factors Affecting the Antibody Immunogenicity of Vaccines against SARS-CoV-2: A Focused Review
Zhangkai Jason Cheng1, Mingshan Xue1, Peiyan Zheng1
1State Key Laboratory of Respiratory Disease, National Clinical Research Center of Respiratory Disease, Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510623, China.
Abstract:
Vaccines are a crucial part of the global anti-pandemic effort against COVID-19. The effects of vaccines, as well as their common influencing factors, are the most important issues that we should focus on at this time. To this end, we review statistics on immunogenicity after vaccination, using neutralizing antibodies as the main reference index. Age, infection history, and virus variants are compared, and vaccination program recommendations are made accordingly. Suggestions are made to address concerns raised by the vaccines' shortened development cycle, as well as the emergence of immunity escape of viral variants. Finally, a brief description and future prospects are provided based on the principle of the ADE effect and previous experience with similar viruses.
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