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. 2022 Oct 10;10:1006631. doi: 10.3389/fpubh.2022.1006631

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Copyright © 2022 Kouamen, Da Cruz, Hamidouche, Lamy, Lloyd, Castro Alvarez, Roussel, Josset, Enouf, Felici, Dos Santos, Schaeffer, Maisa, Regional COVID-19 Investigation Group and Laboratory Group.

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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Proportion of age groups (left panel) and symptoms (right panel) of BA.4/BA.5 cases compared to previously investigated BA.1 cases. Absolute numbers of cases are shown beside the bars.