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. 2022 Mar 31;10:856137. doi: 10.3389/fpubh.2022.856137

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Copyright © 2022 Rodrigues, da Costa Frizzera, Trevisan, Prata, Reis and Resende.

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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Flowchart of the SIVEP-Gripe database used in this analysis. SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; SIVEP-Gripe, Influenza Epidemiological Surveillance Information System.