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. 2022 Apr 20;13:884211. doi: 10.3389/fimmu.2022.884211

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Copyright © 2022 Berning, Huang, Razavi, Boakye, Osuji, Stokes, Martin, Ayers, Blaha and Dzaye

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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Search Trends for top 10 terms related to COVID-19/influenza vaccination in the US and selected states. Online searches from June 1, 2020, to May 31, 2021, as weekly query fraction per 10 million searches for top 10 terms related to “vaccine covid 19” (indicative of COVID-19 vaccinations) and top 10 terms related to “flu shot” (indicative of influenza vaccinations) are depicted. Data are shown for (A) the United Sates (US) and (B–E) for indicated US states. Fill color gradients (light red) represent periods of pandemic-related restrictions: (B) March 20, 2020 – August 25, 2020 and October 7, 2020 - April 1, 2021; (C) April 1, 2020 – September 25, 2020; (D) June 25, 2020 – September 17, 2020 and December 4, 2020 – March 10, 2021; (E) March 13, 2020 – January 25, 2021.