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. 2021 Jun 30;12:658519. doi: 10.3389/fimmu.2021.658519

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Copyright © 2021 Anand, Jakhmola, Indari, Jha, Chen, Tripathi and Pérez de la Lastra

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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Approaches of vaccine development. Current anti-viral vaccine strategies can be divided into those that resemble the virus and molecular-based or targeted vaccines. The vaccines based on attenuated or inactivated virus, and virus like particles (VLPs) keep viral structures, and or main components, whereas molecular targeted vaccines are composed on recombinant subunit proteins, and/or nucleic acids, such as DNA or RNA. A complete list of vaccines in development for each platform can be found at https://www.covid-19vaccinetracker.org.