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. 2021 Jul 13;12:711997. doi: 10.3389/fimmu.2021.711997

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Copyright © 2021 Chen, Wang, Zhang and Ly

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Advantages and disadvantages as well as applications of different types of viral vectors and viral vectored vaccines. The figure was created with Biorender (Biorender.com).