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. 2021 Aug 17;2(3):360–376. doi: 10.3390/epidemiologia2030027

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Willingness to receive the COVID-19 vaccine Sputnik V in Russia, evolution over time from March to July 2021 (data collected from three Levada surveys) [3,100,101].