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. 2020 Aug 31;8:158806–158825. doi: 10.1109/ACCESS.2020.3020391

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This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

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FIGURE 17. — Normalized number of messages for each classified emotion in the cities of Sao Paulo, Lima, New York City, London, Hong Kong, Shanghai, Madrid, and Milan during 15 days before and 15 days after the event of COVID-19.